VARIoT IoT vulnerabilities database

VAR-201910-1189 | CVE-2019-13553 | Rittal Chiller SK 3232-Series Trust Management Issue Vulnerability |
CVSS V2: 10.0 CVSS V3: 9.8 Severity: CRITICAL |
Rittal Chiller SK 3232-Series web interface as built upon Carel pCOWeb firmware A1.5.3 – B1.2.4. The authentication mechanism on affected systems is configured using hard-coded credentials. These credentials could allow attackers to influence the primary operations of the affected systems, namely turning the cooling unit on and off and setting the temperature set point. Carel pCOWeb The firmware contains a vulnerability related to the use of hard-coded credentials.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. Rittal Chiller SK 3232-Series is a liquid cooling device from Rittal
VAR-201910-1199 | CVE-2019-13651 | TP-Link M7350 In the device OS Command injection vulnerability |
CVSS V2: 10.0 CVSS V3: 9.8 Severity: CRITICAL |
TP-Link M7350 devices through 1.0.16 Build 181220 Rel.1116n allow portMappingProtocol OS Command Injection (issue 3 of 5). TP-Link M7350 The device includes OS A command injection vulnerability exists.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. The TP-Link M7350 is a 4G LTE mobile Wi-Fi router. An attacker could exploit this vulnerability to execute an illegal operating system command
VAR-201910-1185 | CVE-2019-13546 | Philips IntelliSpace Perinatal Unauthorized Access Vulnerability |
CVSS V2: 7.2 CVSS V3: 6.8 Severity: MEDIUM |
In IntelliSpace Perinatal, Versions K and prior, a vulnerability within the IntelliSpace Perinatal application environment could enable an unauthorized attacker with physical access to a locked application screen, or an authorized remote desktop session host application user to break-out from the containment of the application and access unauthorized resources from the Windows operating system as the limited-access Windows user. Due to potential Windows vulnerabilities, it may be possible for additional attack methods to be used to escalate privileges on the operating system. IntelliSpace Perinatal Contains a vulnerability related to the disclosure of resources to the wrong area.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. Philips IntelliSpace Perinatal is a set of information management solutions for obstetric care in the medical industry for Philips in Europe.
An unauthorized access vulnerability exists in Philips IntelliSpace Perinatal K and previous versions
VAR-201910-1034 | CVE-2019-18384 | TerraMaster FS-210 Vulnerability with improper permission assignment to critical resources on devices |
CVSS V2: 4.0 CVSS V3: 6.5 Severity: MEDIUM |
An issue was discovered on TerraMaster FS-210 4.0.19 devices. An authenticated remote non-administrative user can read unauthorized shared files, as demonstrated by the filename=*public*%25252Fadmin_OnlyRead.txt substring. TerraMaster FS-210 Devices are vulnerable to improper assignment of permissions to critical resources.Information may be obtained. Terramaster F2-210 is an entry-level dual-bay NAS.
TerraMaster F2-210 has an information disclosure vulnerability. An attacker could use this vulnerability to read a shared file without authorization
VAR-201911-0268 | CVE-2019-5293 | plural Huawei Vulnerabilities related to lack of effective post-lifetime resource release in products |
CVSS V2: 4.0 CVSS V3: 6.5 Severity: MEDIUM |
Some Huawei products have a memory leak vulnerability when handling some messages. A remote attacker with operation privilege could exploit the vulnerability by sending specific messages continuously. Successful exploit may cause some service to be abnormal. plural Huawei The product is vulnerable to a lack of free resources after a valid lifetime.Service operation interruption (DoS) There is a possibility of being put into a state. Huawei AR1200, etc. are all enterprise routers from China's Huawei
VAR-201910-1035 | CVE-2019-18385 | TerraMaster FS-210 Vulnerability related to information disclosure from log files on devices |
CVSS V2: 5.0 CVSS V3: 7.5 Severity: HIGH |
An issue was discovered on TerraMaster FS-210 4.0.19 devices. An unauthenticated attacker can download log files via the include/makecvs.php?Event= substring. TerraMaster FS-210 The device contains a vulnerability related to information disclosure from log files.Information may be obtained. Terramaster F2-210 is an entry-level dual-bay NAS
VAR-201910-0870 | CVE-2019-18200 | Fujitsu Wireless Keyboard Set LX390 Device injection vulnerability |
CVSS V2: 10.0 CVSS V3: 9.8 Severity: CRITICAL |
An issue was discovered on Fujitsu Wireless Keyboard Set LX390 GK381 devices. Because of the lack of proper encryption of 2.4 GHz communication, they are prone to keystroke injection attacks. Fujitsu Wireless Keyboard Set LX390 The device contains an injection vulnerability.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state.
A security vulnerability exists in Fujitsu Wireless Keyboard Set LX390, which originated from a program's failure to properly encrypt 2.4 GHz communications. An attacker could use this vulnerability to send arbitrary keystrokes to the user's computer system, thereby controlling the user's computer. -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Advisory ID: SYSS-2019-011
Product: Wireless Keyboard Set LX390
Manufacturer: Fujitsu
Affected Version(s): Model No. GK381
Tested Version(s): Model No. GK381
Vulnerability Type: Cryptographic Issues (CWE-310)
Keystroke Injection Vulnerability
Risk Level: High
Solution Status: Open (product reached end-of-life (EOL) in May 2019)
Manufacturer Notification: 2019-04-01
Solution Date: -
Public Disclosure: 2019-10-23
CVE Reference: CVE-2019-18200
Author of Advisory: Matthias Deeg (SySS GmbH)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Overview:
Fujitsu Wireless Keyboard Set LX390 is a wireless desktop set consisting
of a mouse and a keyboard.
The manufacturer describes the product as follows (see [1, 2]):
"The Wireless Keyboard Set LX390 is an excellent desktop solution for
users with ambition. This durable keyboard set is equipped with secure
2.4 GHz technology and plug and play technology. The elegant mouse works
on most surfaces due to its precise 1000 dpi sensor. It offers fabulous
features and ultra slim, portable design."
Due to an insecure implementation of the data communication, the
wireless keyboard LX390 is prone to keystroke injection attacks.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Vulnerability Details:
SySS GmbH found out that the wireless desktop set Fujitsu LX390 is
vulnerable to keystroke injection attacks, as the used data
communication is unencrypted, which is described in the SySS security
advisory SYSS-2019-010 (see [3]), and unauthenticated.
By analyzing the used radio communication protocol, the so-called data
whitening or data scrambling mechanism used by the 2.4 GHz radio
transceiver, and its configuration, an attacker is able to send
arbitrary keystrokes to a victim's computer system. In this way, an
attacker can remotely take control over the victim's computer that is
operated with an affected Fujitsu LX390 wireless desktop set.
The actual configuration for a specific targeted keyboard regarding the
used data whitening configuration can be learned by remotely analyzing
the radio communication.
In combination with the replay attack described in the SySS security
advisory SYSS-2019-009 (see [4]), a keystroke injection attack allows to
remotely attack computer systems with an active screen lock, for example
in order to install malware when the target system is unattended.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Proof of Concept (PoC):
SySS GmbH could successfully perform keystroke injection attacks against
the Fujitsu wireless desktop set LX390 using a software-defined radio
in combination with an in-house developed software tool utilizing GNU
Radio [5].
For the protocol analysis and initial proof-of-concept attacks,
Universal Radio Hacker (URH) [6] was used.
SySS GmbH could also perform successful keystroke injection attacks
using another in-house developed software tool in combination with the
USB radio dongle Crazyradio PA and the nrf-research-firmware by Bastille
Networks Internet Security written by Marc Newlin (see [7] and [8]).
SySS recommends replacing LX390 wireless keyboard sets used in
environments with higher security demands, for instance with one of the
newer successor models LX410 or LX960.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Disclosure Timeline:
2019-04-01: Vulnerability reported to manufacturer
2019-04-02: Fujitsu confirms receipt of security advisory and asks
questions regarding the reported security issue;
answered open questions
2019-04-11: Received further questions from manufacturer
2019-04-18: Answered open questions and postponed disclosure date
2019-10-08: Reminded manufacturer of the upcoming release of the
security advisory
2019-10-18: Discussed details of coordinated disclosure with
manufacturer
2019-10-21: Public release of security advisory
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
References:
[1] Product website for Fujitsu Wireless Keyboard Set LX390 (not available anymore)
https://www.fujitsu.com/global/products/computing/peripheral/accessories/input-devices/keyboards/keyboard-lx390.html
[2] Data sheet Fujitsu Wireless Keyboard Set LX390
https://produktinfo.conrad.com/datenblaetter/1300000-1399999/001375431-da-01-en-FUJITSU_DESKTOP_SET_WIREL_LX390_WEISS.pdf
[3] SySS Security Advisory SYSS-2019-010
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-010.txt
[4] SySS Security Advisory SYSS-2019-009
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-009.txt
[5] GNU Radio
https://www.gnuradio.org/
[6] Universal Radio Hacker (URH)
https://github.com/jopohl/urh
[7] Product website for Crazyradio PA
https://www.bitcraze.io/crazyradio-pa/
[8] Bastille's nRF24 research firmware and tools
https://github.com/BastilleResearch/nrf-research-firmware
[9] Product website for Fujitsu Wireless Keyboard Set LX410
https://www.fujitsu.com/global/products/computing/peripheral/accessories/input-devices/keyboards/keyboard-lx410.html
[10] Product website for Fujitsu Wireless Keyboard Set LX960
https://www.fujitsu.com/global/products/computing/peripheral/accessories/input-devices/keyboards/keyboard-lx960.html
[11] SySS Security Advisory SYSS-2019-011
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-011.txt
[12] SySS Responsible Disclosure Policy
https://www.syss.de/en/responsible-disclosure-policy/
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Credits:
This security vulnerability was found by Matthias Deeg of SySS GmbH.
E-Mail: matthias.deeg (at) syss.de
Public Key: https://www.syss.de/fileadmin/dokumente/PGPKeys/Matthias_Deeg.asc
Key fingerprint = D1F0 A035 F06C E675 CDB9 0514 D9A4 BF6A 34AD 4DAB
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Disclaimer:
The information provided in this security advisory is provided "as is"
and without warranty of any kind. Details of this security advisory may
be updated in order to provide as accurate information as possible. The
latest version of this security advisory is available on the SySS Web
site.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Copyright:
Creative Commons - Attribution (by) - Version 3.0
URL: http://creativecommons.org/licenses/by/3.0/deed.en
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VAR-201911-0827 | CVE-2019-5213 | Honor play Authentication vulnerabilities in smartphones |
CVSS V2: 1.9 CVSS V3: 2.4 Severity: LOW |
Honor play smartphones with versions earlier than Cornell-AL00A 9.1.0.321(C00E320R1P1T8) have an insufficient authentication vulnerability. The system has a logic judge error under certain scenario. Successful exploit could allow the attacker to modify the alarm clock settings after a serious of uncommon operations without unlock the screen lock. This vulnerability is caused by a logical error
VAR-201910-1033 | CVE-2019-18383 | TerraMaster FS-210 Vulnerability with improper permission assignment to critical resources on devices |
CVSS V2: 5.0 CVSS V3: 7.5 Severity: HIGH |
An issue was discovered on TerraMaster FS-210 4.0.19 devices. One can download backup files remotely from terramaster_TNAS-00E43A_config_backup.bin without permission. TerraMaster FS-210 Devices are vulnerable to improper assignment of permissions to critical resources.Information may be obtained. Terramaster F2-210 is an entry-level dual-bay NAS.
TerraMaster F2-210 has an information disclosure vulnerability
VAR-201910-0869 | CVE-2019-18199 | Fujitsu Wireless Keyboard Set LX390 In the device Capture-replay Authentication bypass vulnerability |
CVSS V2: 6.9 CVSS V3: 6.6 Severity: MEDIUM |
An issue was discovered on Fujitsu Wireless Keyboard Set LX390 GK381 devices. Because of the lack of proper encryption of 2.4 GHz communication, and because of password-based authentication, they are vulnerable to replay attacks. Fujitsu Wireless Keyboard Set LX390 In the device Capture-replay There is a vulnerability related to authentication bypass by.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state.
A security vulnerability exists in the Fujitsu Wireless Keyboard Set LX390 GK381, which is caused by the program not properly encrypting 2.4 communications. An attacker could exploit the vulnerability implement replay attack. -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Advisory ID: SYSS-2019-009
Product: Wireless Keyboard Set LX390
Manufacturer: Fujitsu
Affected Version(s): Model No. GK381
Tested Version(s): Model No. GK381
Vulnerability Type: Cryptographic Issues (CWE-310)
Missing Protection against Replay Attacks
Risk Level: Medium
Solution Status: Open (product reached end-of-life (EOL) in May 2019)
Manufacturer Notification: 2019-03-22
Solution Date: -
Public Disclosure: 2019-10-23
CVE Reference: CVE-2019-18199
Author of Advisory: Matthias Deeg (SySS GmbH)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Overview:
Fujitsu Wireless Keyboard Set LX390 is a wireless desktop set consisting
of a mouse and a keyboard.
The manufacturer describes the product as follows (see [1, 2]):
"The Wireless Keyboard Set LX390 is an excellent desktop solution for
users with ambition. This durable keyboard set is equipped with secure
2.4 GHz technology and plug and play technology. The elegant mouse
works on most surfaces due to its precise 1000 dpi sensor. It offers
fabulous features and ultra slim, portable design."
Due to an insecure implementation of the data communication, the
wireless keyboard LX390 is vulnerable to replay attacks.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Vulnerability Details:
SySS GmbH found out that the wireless keyboard Fujitsu LX390 is prone to
replay attacks.
An attacker can simply sniff the data packets of the 2.4 GHz radio
communication sent by the keyboard to the receiver (USB dongle) and
replay the recorded communication data at will causing the same effect
as the original data communication.
A replay attack against the keyboard can, for example, be used to gain
unauthorized access to a computer system that is operated with a
vulnerable Fujitsu LX390 keyboard. In this attack scenario, an attacker
records the radio communication during a password-based user
authentication of his or her victim, for instance during a login to the
operating system or during unlocking a screen lock. At an opportune
moment when the victim's computer system is unattended, the attacker
approaches the victim's computer and replays the previously recorded
data communication for the password-based user authentication and
thereby gets unauthorized access to the victim's system.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Proof of Concept (PoC):
SySS GmbH could successfully perform a replay attack as described in the
previous section using a software-defined radio in combination with the
software tool GNU Radio Companion.
It was also possible to perform successful replay attacks using an
in-house developed software tool in combination with the USB radio
dongle Crazyradio PA and the nrf-research-firmware by Bastille Networks
Internet Security written by Marc Newlin (see [3] and [4]).
SySS recommends replacing LX390 wireless keyboard sets used in
environments with higher security demands, for instance with one of the
newer successor models LX410 or LX960.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Disclosure Timeline:
2019-03-22: Vulnerability reported to manufacturer
2019-03-23: Fujitsu confirms receipt of security advisory
2019-04-02: Received question from manufacturer and answered them
2019-04-11: Received further questions from manufacturer
2019-04-18: Answered open questions and postponed disclosure date
2019-10-08: Reminded manufacturer of the upcoming release of the
security advisory
2019-10-18: Discussed details of coordinated disclosure with manufacturer
2019-10-21: Public release of security advisory
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
References:
[1] Product website for Fujitsu Wireless Keyboard Set LX390 (not available anymore)
http://www.fujitsu.com/global/products/computing/peripheral/accessories/input-devices/keyboards/keyboard-lx390.html
[2] Data sheet Fujitsu Wireless Keyboard Set LX390
https://produktinfo.conrad.com/datenblaetter/1300000-1399999/001375431-da-01-en-FUJITSU_DESKTOP_SET_WIREL_LX390_WEISS.pdf
[3] Product website for Crazyradio PA
https://www.bitcraze.io/crazyradio-pa/
[4] Bastille's nRF24 research firmware and tools
https://github.com/BastilleResearch/nrf-research-firmware
[5] Product website for Fujitsu Wireless Keyboard Set LX410
https://www.fujitsu.com/global/products/computing/peripheral/accessories/input-devices/keyboards/keyboard-lx410.html
[6] Product website for Fujitsu Wireless Keyboard Set LX960
https://www.fujitsu.com/global/products/computing/peripheral/accessories/input-devices/keyboards/keyboard-lx960.html
[7] SySS Security Advisory SYSS-2019-009
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-009.txt
[8] SySS Responsible Disclosure Policy
https://www.syss.de/en/responsible-disclosure-policy/
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Credits:
This security vulnerability was found by Matthias Deeg of SySS GmbH.
E-Mail: matthias.deeg (at) syss.de
Public Key: https://www.syss.de/fileadmin/dokumente/Materialien/PGPKeys/Matthias_Deeg.asc
Key fingerprint = D1F0 A035 F06C E675 CDB9 0514 D9A4 BF6A 34AD 4DAB
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Disclaimer:
The information provided in this security advisory is provided "as is"
and without warranty of any kind. Details of this security advisory may
be updated in order to provide as accurate information as possible. The
latest version of this security advisory is available on the SySS Web
site.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Copyright:
Creative Commons - Attribution (by) - Version 3.0
URL: http://creativecommons.org/licenses/by/3.0/deed.en
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VAR-201910-1031 | CVE-2019-18371 | Xiaomi Mi WiFi R3G path traversal vulnerability |
CVSS V2: 5.0 CVSS V3: 7.5 Severity: HIGH |
An issue was discovered on Xiaomi Mi WiFi R3G devices before 2.28.23-stable. There is a directory traversal vulnerability to read arbitrary files via a misconfigured NGINX alias, as demonstrated by api-third-party/download/extdisks../etc/config/account. With this vulnerability, the attacker can bypass authentication. This vulnerability originates from the failure of network systems or products to properly filter resources or special elements in file paths. Attackers can use this vulnerability to access restricted directories. Outside location
VAR-201910-1030 | CVE-2019-18370 | Xiaomi Mi WiFi R3G Vulnerability related to input validation on devices |
CVSS V2: 7.5 CVSS V3: 9.8 Severity: CRITICAL |
An issue was discovered on Xiaomi Mi WiFi R3G devices before 2.28.23-stable. The backup file is in tar.gz format. After uploading, the application uses the tar zxf command to decompress, so one can control the contents of the files in the decompressed directory. In addition, the application's sh script for testing upload and download speeds reads a URL list from /tmp/speedtest_urls.xml, and there is a command injection vulnerability, as demonstrated by api/xqnetdetect/netspeed. Xiaomi Mi WiFi R3G The device contains an input validation vulnerability.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. Xiaomi Mi WiFi R3G is a 3G router of China Xiaomi Technology Corporation.
Xiaomi Mi WiFi R3G backup file upload processing has a security vulnerability that allows remote attackers to use the vulnerability to submit special requests and execute arbitrary OS commands
VAR-201910-0871 | CVE-2019-18201 | Fujitsu Wireless Keyboard Set LX390 Vulnerability related to lack of encryption of critical data on devices |
CVSS V2: 5.0 CVSS V3: 7.5 Severity: HIGH |
An issue was discovered on Fujitsu Wireless Keyboard Set LX390 GK381 devices. Because of the lack of proper encryption of 2.4 GHz communication, an attacker is able to eavesdrop on sensitive data such as passwords. -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Advisory ID: SYSS-2019-010
Product: Wireless Keyboard Set LX390
Manufacturer: Fujitsu
Affected Version(s): Model No. GK381
Tested Version(s): Model No. GK381
Vulnerability Type: Missing Encryption of Sensitive Data (CWE-311)
Risk Level: High
Solution Status: Open (product reached end-of-life (EOL) in May 2019)
Manufacturer Notification: 2019-04-01
Solution Date: -
Public Disclosure: 2019-10-23
CVE Reference: CVE-2019-18201
Author of Advisory: Matthias Deeg (SySS GmbH)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Overview:
Fujitsu Wireless Keyboard Set LX390 is a wireless desktop set consisting
of a mouse and a keyboard.
The manufacturer describes the product as follows (see [1, 2]):
"The Wireless Keyboard Set LX390 is an excellent desktop solution for
users with ambition. This durable keyboard set is equipped with secure
2.4 GHz technology and plug and play technology. The elegant mouse works
on most surfaces due to its precise 1000 dpi sensor.
However, the payload and checksum of data packets are transmitted in an
encoded way using so-called data whitening or data scrambling of the
used 2.4 GHz radio transceiver. Thus, without knowing this data
whitening mechanism and its configuration, an attacker cannot actually
gain access to the cleartext payload contents of transmitted radio
packets during a sniffing attack.
By analyzing the Fujitsu LX390 keyboard and its radio communication,
SySS was able to identify the used communication protocol, the data
whitening mechanism, and how to find the correct data whitening
configuration by sniffing the radio communication of a specific
keyboard.
With this knowledge, an attacker can remotely analyze and decode sent
keyboard events of a Fujitsu LX390 keyboard as cleartext, for instance
keystrokes, and thus gain unauthorized access to sensitive data like
passwords.
Knowing how to analyze the data communication of a Fujitsu LX390
keyboard also enabled SySS to synthesize valid data packets which
allowed for key stroke injection attacks, which are described in the
SySS security advisory SYSS-2019-011 (see [3]).
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Proof of Concept (PoC):
SySS GmbH could successfully perform sniffing attacks against the
2.4 GHz radio communication of the Fujitsu LX390 keyboard using a
software-defined radio and an in-house developed software tool utilizing
GNU Radio [3].
For the protocol analysis,the software tool Universal Radio Hacker [4]
was used.
SySS GmbH could also perform successful sniffing attacks using another
in-house developed software tool in combination with the USB radio
dongle Crazyradio PA and the nrf-research-firmware by Bastille Networks
Internet Security written by Marc Newlin (see [6] and [7]).
The following output of the developed PoC software tool illustrates a
successful keystroke sniffing attack.
# python3 fujitsu_lx390_sniffer.py -l -p "3b:5b:53:bd:43" -c 28
_ __ _ _ ____ _ __ __
| |/ /___ _ _ ___| |_ _ __ ___ | | _____ / ___| _ __ (_)/ _|/ _| ___ _ __
| ' // _ \ | | / __| __| '__/ _ \| |/ / _ \ \___ \| '_ \| | |_| |_ / _ \ '__|
| . \ __/ |_| \__ \ |_| | | (_) | < __/ ___) | | | | | _| _| __/ |
|_|\_\___|\__, |___/\__|_| \___/|_|\_\___| |____/|_| |_|_|_| |_| \___|_|
|___/
SySS Fujitsu LX390 Keystroke Sniffer - PoC Tool v0.1 by Matthias Deeg - SySS GmbH
Based on different tools by Marc Newlin
- ---
3B:5B:53:BD:43:DB 42:EF:F5:0A:2D 02:45:13:93:AB KEY_P
3B:5B:53:BD:43:DB 42:CF:F5:0C:CB 02:41:13:F3:CC KEY_P
3B:5B:53:BD:43:DB 42:EF:F5:0A:2D 02:45:13:93:AB KEY_P
3B:5B:53:BD:43:DB 42:CF:1D:70:ED 02:41:04:CD:A8 KEY_A
3B:5B:53:BD:43:DB 42:EF:1D:76:0B 02:45:04:AD:CF KEY_A
3B:5B:53:BD:43:DB 42:CF:1D:70:ED 02:41:04:CD:A8 KEY_A
3B:5B:53:BD:43:DB 42:EF:55:BF:C7 02:45:16:3E:FC KEY_S
3B:5B:53:BD:43:DB 42:CF:55:B9:21 02:41:16:5E:9B KEY_S
3B:5B:53:BD:43:DB 42:EF:55:BF:C7 02:45:16:3E:FC KEY_S
3B:5B:53:BD:43:DB 42:EF:65:89:94 02:45:1A:52:36 KEY_W
(...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Solution:
The Fujitsu Wireless Keyboard Set LX390 reached its end-of-life (EOL) in
May 2019.
SySS recommends replacing LX390 wireless keyboard sets used in
environments with higher security demands, for instance with one of the
newer successor models LX410 or LX960.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Disclosure Timeline:
2019-04-01: Vulnerability reported to manufacturer
2019-04-02: Fujitsu confirms receipt of security advisory and asks
questions regarding the reported security issue;
answered open questions
2019-04-11: Received further questions from manufacturer
2019-04-18: Answered open questions and postponed disclosure date
2019-10-08: Reminded manufacturer of the upcoming release of the
security advisory
2019-10-18: Discussed details of coordinated disclosure with
manufacturer
2019-10-21: Public release of security advisory
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
References:
[1] Product website for Fujitsu Wireless Keyboard Set LX390
https://www.fujitsu.com/global/products/computing/peripheral/accessories/input-devices/keyboards/keyboard-lx390.html
[2] Data sheet Fujitsu Wireless Keyboard Set LX390
https://produktinfo.conrad.com/datenblaetter/1300000-1399999/001375431-da-01-en-FUJITSU_DESKTOP_SET_WIREL_LX390_WEISS.pdf
[3] SySS Security Advisory SYSS-2019-011
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-011.txt
[4] GNU Radio
https://www.gnuradio.org/
[5] Universal Radio Hacker (URH)
https://github.com/jopohl/urh
[6] Product website for Crazyradio PA
https://www.bitcraze.io/crazyradio-pa/
[7] Bastille's nRF24 research firmware and tools
https://github.com/BastilleResearch/nrf-research-firmware
[8] Product website for Fujitsu Wireless Keyboard Set LX410
https://www.fujitsu.com/global/products/computing/peripheral/accessories/input-devices/keyboards/keyboard-lx410.html
[9] Product website for Fujitsu Wireless Keyboard Set LX960
https://www.fujitsu.com/global/products/computing/peripheral/accessories/input-devices/keyboards/keyboard-lx960.html
[10] SySS Security Advisory SYSS-2019-010
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-010.txt
[11] SySS Responsible Disclosure Policy
https://www.syss.de/en/responsible-disclosure-policy/
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Credits:
This security vulnerability was found by Matthias Deeg of SySS GmbH.
E-Mail: matthias.deeg (at) syss.de
Public Key: https://www.syss.de/fileadmin/dokumente/PGPKeys/Matthias_Deeg.asc
Key fingerprint = D1F0 A035 F06C E675 CDB9 0514 D9A4 BF6A 34AD 4DAB
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Disclaimer:
The information provided in this security advisory is provided "as is"
and without warranty of any kind. Details of this security advisory may
be updated in order to provide as accurate information as possible. The
latest version of this security advisory is available on the SySS Web
site.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Copyright:
Creative Commons - Attribution (by) - Version 3.0
URL: http://creativecommons.org/licenses/by/3.0/deed.en
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