SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-9811

The kluser is able to interact with the kav4fs-control binary in Kaspersky Anti-Virus for Linux File Server before Maintenance Pack 2 Critical Fix 4 (version 8.0.4.312).

CRITICAL 9.8EPSS 10.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 10.5%, higher than 95% of all known CVEs. Patch or mitigate before the next change window.

Description

The kluser is able to interact with the kav4fs-control binary in Kaspersky Anti-Virus for Linux File Server before Maintenance Pack 2 Critical Fix 4 (version 8.0.4.312). By abusing the quarantine read and write operations, it is possible to elevate the privileges to root.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
10.47% probability · 95th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
kaspersky/anti-virus for linux server
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.