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ID

VAR-202002-1174


CVE

CVE-2020-3854


TITLE

macOS Catalina Memory Corruption Vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2020-002287

DESCRIPTION

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.3. An application may be able to execute arbitrary code with system privileges. macOS Catalina Is vulnerable to memory corruption due to improper memory processing.Arbitrary code can be executed by obtaining system privileges through the application. Apple macOS Catalina is a set of dedicated operating systems developed by Apple for Mac computers. A security vulnerability exists in the Security component of Apple macOS Catalina versions prior to 10.15.3. An attacker could exploit this vulnerability to bypass sandbox restrictions. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2020-1-28-2 macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra macOS Catalina 10.15.3, Security Update 2020-001 Mojave, and Security Update 2020-001 High Sierra are now available and address the following: AnnotationKit Available for: macOS Catalina 10.15.2 Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2020-3877: an anonymous researcher working with Trend Micro's Zero Day Initiative apache_mod_php Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: Multiple issues in PHP Description: Multiple issues were addressed by updating to PHP version 7.3.11. CVE-2020-3857: Zhuo Liang of Qihoo 360 Vulcan Team autofs Available for: macOS Catalina 10.15.2 Impact: Searching for and opening a file from an attacker controlled NFS mount may bypass Gatekeeper Description: This was addressed with additional checks by Gatekeeper on files mounted through a network share. CVE-2020-3866: Jose Castro Almeida (@HackerOn2Wheels) and René Kroka (@rene_kroka) CoreBluetooth Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6 Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution Description: A memory corruption issue was addressed with improved input validation. CVE-2020-3848: Jianjun Dai of Qihoo 360 Alpha Lab CVE-2020-3849: Jianjun Dai of Qihoo 360 Alpha Lab CVE-2020-3850: Jianjun Dai of Qihoo 360 Alpha Lab CoreBluetooth Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6 Impact: A remote attacker may be able to leak memory Description: An out-of-bounds read was addressed with improved input validation. CVE-2020-3847: Jianjun Dai of Qihoo 360 Alpha Lab Crash Reporter Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: A malicious application may be able to access restricted files Description: A validation issue existed in the handling of symlinks. CVE-2020-3835: Csaba Fitzl (@theevilbit) Image Processing Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: Viewing a maliciously crafted JPEG file may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved input validation. CVE-2020-3827: Samuel Groß of Google Project Zero ImageIO Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2020-3826: Samuel Groß of Google Project Zero CVE-2020-3870 CVE-2020-3878: Samuel Groß of Google Project Zero Intel Graphics Driver Available for: macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: An application may be able to execute arbitrary code with system privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2020-3837: Brandon Azad of Google Project Zero IPSec Available for: macOS Catalina 10.15.2 Impact: Loading a maliciously crafted racoon configuration file may lead to arbitrary code execution Description: An off by one issue existed in the handling of racoon configuration files. CVE-2020-3840: @littlelailo Kernel Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: An application may be able to read restricted memory Description: A validation issue was addressed with improved input sanitization. CVE-2020-3875: Brandon Azad of Google Project Zero Kernel Available for: macOS Catalina 10.15.2 Impact: An application may be able to read restricted memory Description: A memory initialization issue was addressed with improved memory handling. CVE-2020-3872: Haakon Garseg Mørk of Cognite and Cim Stordal of Cognite Kernel Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: A malicious application may be able to execute arbitrary code with system privileges Description: A type confusion issue was addressed with improved memory handling. CVE-2020-3853: Brandon Azad of Google Project Zero Kernel Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: A malicious application may be able to determine kernel memory layout Description: An access issue was addressed with improved memory management. CVE-2020-3842: Ned Williamson working with Google Project Zero CVE-2020-3871: Corellium libxml2 Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6 Impact: Processing maliciously crafted XML may lead to an unexpected application termination or arbitrary code execution Description: A buffer overflow was addressed with improved size validation. CVE-2020-3846: Ranier Vilela libxpc Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: Processing a maliciously crafted string may lead to heap corruption Description: A memory corruption issue was addressed with improved input validation. CVE-2020-3856: Ian Beer of Google Project Zero libxpc Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: An application may be able to gain elevated privileges Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2020-3829: Ian Beer of Google Project Zero PackageKit Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: A malicious application may be able to overwrite arbitrary files Description: A validation issue existed in the handling of symlinks. CVE-2020-3854: Jakob Rieck (@0xdead10cc) and Maximilian Blochberger of the Security in Distributed Systems Group of University of Hamburg sudo Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: Certain configurations may allow a local attacker to execute arbitrary code Description: A buffer overflow issue was addressed with improved memory handling. CVE-2019-18634: Apple System Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6 Impact: A malicious application may be able to overwrite arbitrary files Description: An access issue was addressed with improved access restrictions. CVE-2020-3855: Csaba Fitzl (@theevilbit) Wi-Fi Available for: macOS Catalina 10.15.2 Impact: An application may be able to read restricted memory Description: A validation issue was addressed with improved input sanitization. CVE-2020-3839: s0ngsari of Theori and Lee of Seoul National University working with Trend Micro's Zero Day Initiative Wi-Fi Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: A remote attacker may be able to cause unexpected system termination or corrupt kernel memory Description: A memory corruption issue was addressed with improved input validation. CVE-2020-3843: Ian Beer of Google Project Zero wifivelocityd Available for: macOS High Sierra 10.13.6, macOS Mojave 10.14.6, macOS Catalina 10.15.2 Impact: An application may be able to execute arbitrary code with system privileges Description: The issue was addressed with improved permissions logic. CVE-2020-3838: Dayton Pidhirney (@_watbulb) Additional recognition Photos Storage We would like to acknowledge Salman Husain of UC Berkeley for their assistance. Installation note: macOS Catalina 10.15.3, Security Update 2020-001 Mojave, and Security Update 2020-001 High Sierra may be obtained from the Mac App Store or Apple's Software Downloads web site: https://support.apple.com/downloads/ Information will also be posted to the Apple Security Updates web site: https://support.apple.com/kb/HT201222 This message is signed with Apple's Product Security PGP key, and details are available at: https://www.apple.com/support/security/pgp/ -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEM5FaaFRjww9EJgvRBz4uGe3y0M0FAl4wsjUACgkQBz4uGe3y 0M1CeQ//ZJ/ZlrPF1P8nFvUy5XnOEgSt5U3W3klWT1x7B7s5NOQQkh+Iw02+dkYZ hErXRA1Awvzw4SpOOoG1HiElt2qz1+N8NaKgg4+Evk1CPB3KaX9g8l+PBFSKyVqU GQUSlsPB2GXky92moq0TtFO9VCwsPbQfj/618RzUn/CSF5ifNI+fMdWAfrndZSRv yg6XndljJx7Ro1OeQI794Aa1KdxdErbqnai+i++gGAiKG8zg89HLxhwaEje0u59M 35iAp9HAksZwOD/YOWkhiksXjS/89qtyt2z3yrpSUh8s1f86NumMre6D2C9kwY1c 8XlaCN/KE8BGMXzg+daMibpeaIoweeObfw6tT8QlF2OtxKtnvm55C1nIIYKlVqen GS11EkWweC9ZAEepVaBML95JEmaSin13oTvRg2s+DaiLE/RsRxz09qLqdyj1sbdf 2Gyl9xnTPjcDuhvbaGZl/uIEHIkgpLnNrs3bVkUOQwJZU8hpFcE1jwgGwNo8Nkwz TCAi0s4+q7csgZuTOlHroXTteFm+UQcV4Sw7YCZ2Z3kNDkEJpDDf8PEWGrGyJa8p iZJ4FqP0D9pv0N161V6f6xZ6QZW379tZfAeEHeoIE6lAfDN7BnENsuph10dvK9IT 1HlUvSj57BkM6b4BcoT9WjyFIWNp3T7ySJ+K15PHXx707SX1R9w= =toYN -----END PGP SIGNATURE-----=

Trust: 1.8

sources: NVD: CVE-2020-3854 // JVNDB: JVNDB-2020-002287 // VULHUB: VHN-181979 // PACKETSTORM: 156131

AFFECTED PRODUCTS

vendor:applemodel:mac os xscope:ltversion:10.15.3

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vendor:applemodel:mac os xscope:eqversion:10.15.2

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vendor:applemodel:mac os xscope:eqversion:10.5.4

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vendor:applemodel:mac os xscope:eqversion:10.5.5

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vendor:applemodel:mac os xscope:eqversion:10.5.2

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vendor:applemodel:mac os xscope:eqversion:10.5.1

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vendor:applemodel:mac os xscope:eqversion:10.5.0

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vendor:applemodel:mac os xscope:eqversion:10.5.8

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vendor:applemodel:mac os xscope:eqversion:10.5.7

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vendor:applemodel:mac os xscope:eqversion:10.5.3

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vendor:applemodel:mac os xscope:eqversion:10.6.0

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vendor:applemodel:mac os xscope:eqversion:10.5.6

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sources: JVNDB: JVNDB-2020-002287 // CNNVD: CNNVD-202001-1428 // NVD: CVE-2020-3854

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-3854
value: HIGH

Trust: 1.0

NVD: JVNDB-2020-002287
value: HIGH

Trust: 0.8

CNNVD: CNNVD-202001-1428
value: HIGH

Trust: 0.6

VULHUB: VHN-181979
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2020-3854
severity: HIGH
baseScore: 9.3
vectorString: AV:N/AC:M/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.6
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

NVD: JVNDB-2020-002287
severity: HIGH
baseScore: 9.3
vectorString: AV:N/AC:M/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: NONE
impactScore: NONE
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.8

VULHUB: VHN-181979
severity: HIGH
baseScore: 9.3
vectorString: AV:N/AC:M/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.6
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2020-3854
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.8
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: JVNDB-2020-002287
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-181979 // JVNDB: JVNDB-2020-002287 // CNNVD: CNNVD-202001-1428 // NVD: CVE-2020-3854

PROBLEMTYPE DATA

problemtype:CWE-787

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problemtype:CWE-119

Trust: 0.9

sources: VULHUB: VHN-181979 // JVNDB: JVNDB-2020-002287 // NVD: CVE-2020-3854

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202001-1428

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202001-1428

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2020-002287

PATCH
title:HT210919url:https://support.apple.com/en-us/HT210919
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title:HT210919url:https://support.apple.com/ja-jp/HT210919
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title:Apple macOS Catalina Security Fix for component buffer error vulnerabilityurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=110879
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sources:
            
            
            JVNDB: JVNDB-2020-002287 // 
            
            
            
            CNNVD: CNNVD-202001-1428

EXTERNAL IDS
db:NVDid:CVE-2020-3854
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db:JVNid:JVNVU95678717
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db:JVNDBid:JVNDB-2020-002287
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db:CNNVDid:CNNVD-202001-1428
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db:PACKETSTORMid:156131
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db:AUSCERTid:ESB-2020.0351
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db:VULHUBid:VHN-181979
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sources:
            
            
            VULHUB: VHN-181979 // 
            
            
            
            JVNDB: JVNDB-2020-002287 // 
            
            
            
            PACKETSTORM: 156131 // 
            
            
            
            CNNVD: CNNVD-202001-1428 // 
            
            
            
            NVD: CVE-2020-3854

REFERENCES
url:https://support.apple.com/ht210919
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3854
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url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2020-3854
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url:https://jvn.jp/vu/jvnvu95678717/
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url:https://support.apple.com/en-us/ht210919
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url:https://vigilance.fr/vulnerability/apple-macos-multiple-vulnerabilities-31449
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url:https://packetstormsecurity.com/files/156131/apple-security-advisory-2020-1-28-2.html
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url:https://www.auscert.org.au/bulletins/esb-2020.0351/
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3826
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url:https://support.apple.com/kb/ht201222
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3839
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3849
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url:https://nvd.nist.gov/vuln/detail/cve-2019-11043
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3846
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3835
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3842
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3837
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3845
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3870
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3827
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url:https://support.apple.com/downloads/
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3848
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3856
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url:https://nvd.nist.gov/vuln/detail/cve-2019-18634
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3866
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3857
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3840
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url:https://www.apple.com/support/security/pgp/
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3871
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3855
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3850
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3853
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3843
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3847
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3838
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3830
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3836
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url:https://nvd.nist.gov/vuln/detail/cve-2020-3829
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sources:
            
            
            VULHUB: VHN-181979 // 
            
            
            
            JVNDB: JVNDB-2020-002287 // 
            
            
            
            PACKETSTORM: 156131 // 
            
            
            
            CNNVD: CNNVD-202001-1428 // 
            
            
            
            NVD: CVE-2020-3854

CREDITS
Apple,Jakob Rieck (@0xdead10cc) and Maximilian Blochberger of the Security in Distributed Systems Group of University of Hamburg
Trust: 0.6
sources:
            
            
            CNNVD: CNNVD-202001-1428

SOURCES
db:VULHUBid:VHN-181979
db:JVNDBid:JVNDB-2020-002287
db:PACKETSTORMid:156131
db:CNNVDid:CNNVD-202001-1428
db:NVDid:CVE-2020-3854

LAST UPDATE DATE
2024-11-23T20:21:52.763000+00:00

SOURCES UPDATE DATE
db:VULHUBid:VHN-181979date:2021-07-21T00:00:00
db:JVNDBid:JVNDB-2020-002287date:2020-03-11T00:00:00
db:CNNVDid:CNNVD-202001-1428date:2020-03-09T00:00:00
db:NVDid:CVE-2020-3854date:2024-11-21T05:31:50.633

SOURCES RELEASE DATE
db:VULHUBid:VHN-181979date:2020-02-27T00:00:00
db:JVNDBid:JVNDB-2020-002287date:2020-03-11T00:00:00
db:PACKETSTORMid:156131date:2020-01-29T17:17:36
db:CNNVDid:CNNVD-202001-1428date:2020-01-30T00:00:00
db:NVDid:CVE-2020-3854date:2020-02-27T21:15:17.413