ID
VAR-E-201706-0045
TITLE
Schneider Electric Wonderware InduSoft Web Studio 8.0 Patch 3 Insecure Permissions Vulnerability
Trust: 0.6
AFFECTED PRODUCTS
| vendor: | schneider | model: | electric wonderware indusoft web studio patch | scope: | eq | version: | 8.03 | Trust: 0.5 |
EXPLOIT
Vendor: Schneider Electric
Equipment: Wonderware InduSoft Web Studio
Vulnerability: Incorrect Default Permissions
Advisory URL:
https://ipositivesecurity.com/2017/05/19/ics-schneider-electric-wonderware-indusoft-web-studio-privilege-escalation/
ICS-CERT Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-17-138-02
------------------------
AFFECTED PRODUCTS
------------------------
The following versions of Schneider Electricas Wondeware InduSoft Web
Studio are affected:
Wonderware InduSoft Web Studio v8.0 Patch 3 and prior versions.
------------------------
IMPACT
------------------------
Successful exploitation of this vulnerability could allow an authenticated
user to escalate his or her privileges.
------------------------
VULNERABILITY OVERVIEW
------------------------
INCORRECT DEFAULT PERMISSIONS CWE-276
Upon installation, Wonderware InduSoft Web Studio creates a new directory
and two files, which are placed in the systemas path and can be manipulated
by non-administrators. This could allow an authenticated user to escalate
his or her privileges.
The directory and files are added to systemas PATH. Therefore, the
following can be manipulated by non-administrator users:
aC/ File C:\Bin\x86\aahClientManaged.dll has weak permissions: ALLOW NT
AUTHORITY\Authenticated Users: FILE_WRITE_DATA FILE_APPEND_DATA DELETE
aC/ File C:\Bin\x86\ has weak permissions: ALLOW NT AUTHORITY\Authenticated
Users: FILE_ADD_FILE FILE_ADD_SUBDIRECTORY FILE_WRITE_EA
FILE_WRITE_ATTRIBUTES DELETE
CVE-2017-7968 has been assigned to this vulnerability. A CVSS v3 base score
of 7.3 has been assigned; the CVSS vector string is
(AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H).
+++++
Trust: 0.6
PRICE
free
Trust: 0.6
TAGS
| tag: | exploit | Trust: 0.5 |
| tag: | web | Trust: 0.5 |
EXTERNAL IDS
| db: | ICS CERT | id: | ICSA-17-138-02 | Trust: 1.1 |
| db: | 0DAYTODAY | id: | 28070 | Trust: 0.6 |
| db: | EDBNET | id: | 93406 | Trust: 0.6 |
| db: | PACKETSTORM | id: | 143217 | Trust: 0.5 |
REFERENCES
| url: | https://0day.today/exploits/28070 | Trust: 0.6 |
SOURCES
| db: | PACKETSTORM | id: | 143217 |
| db: | EDBNET | id: | 93406 |
LAST UPDATE DATE
2022-07-27T10:02:51.690000+00:00
SOURCES RELEASE DATE
| db: | PACKETSTORM | id: | 143217 | date: | 2017-06-30T11:01:11 |
| db: | EDBNET | id: | 93406 | date: | 2017-07-01T00:00:00 |