CVE Vulnerability

CVE-2021-28098

An issue was discovered in Forescout CounterACT before 8.1.4. A local privilege escalation vulnerability is present in the logging function. SecureConnector runs with administrative privileges and writes logs entries to a file in %PROGRAMDATA%ForeScout SecureConnector that has full permissions for the Everyone group. Using a symbolic link allows an attacker to point the log file to a privileged location such as %WINDIR%System32. The resulting log file adopts the file permissions of the source of the symbolic link (in this case, the Everyone group). The log file in System32 can be replaced and renamed with a malicious DLL for DLL hijacking.

4.4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.4 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://docs.forescout.com Vendor Advisory
https://www.adversis.io/research/2021/3/30/forescout-secure-connector-local-privilege-escalation Exploit Third Party Advisory
https://jordanpotti.com/2021/03/30/forescout-priv-esc-folder-permissions/ Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:forescout:counteract:*:*:*:*:*:*:*:*
Information

Published : 2021-04-14 03:15

Updated : 2022-06-28 02:11

NVD link : CVE-2021-28098

Mitre link : CVE-2021-28098

Products Affected
No products.
CWE
CWE-427

CWE-59

CWE-732