Privilege escalation in Kaspersky Anti-Virus - CVE-2017-9811

 

Privilege escalation in Kaspersky Anti-Virus - CVE-2017-9811

Published: June 29, 2017 / Updated: September 14, 2018


Vulnerability identifier: #VU7235
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2017-9811
CWE-ID: CWE-77
Exploitation vector: Local access
Exploit availability: Public exploit is available
Vendor: Kaspersky Lab
Affected software:
Kaspersky Anti-Virus

Detailed vulnerability description

The disclosed vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to a flaw in the quarantine read and write operations. A local attacker with 'kluser' privileges can send a specially crafted input to execute arbitrary commands with root privileges.

Successful exploitation of the vulnerability may result in system compromise.

How to mitigate CVE-2017-9811

Update to version 8.0.4.312.

Sources