CVE-2017-9811 describes a critical privilege escalation vulnerability in Kaspersky Anti-Virus for Linux File Server versions prior to 8.0.4.312. A local user (kluser) can exploit flaws in the kav4fs-control binary's quarantine read/write operations to gain root privileges. With a CVSS score of 9.8 (CRITICAL), this vulnerability allows for complete compromise of confidentiality, integrity, and availability with low attack complexity. While not listed in CISA's KEV catalog, public exploit code exists (EDB-42269), and it has garnered significant community discussion and media coverage, indicating its potential for exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 8.0.3.297CPE matchmatch criteria | cpe:2.3:a:kaspersky:anti-virus_for_linux_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.