Improper input validation in Kaspersky Anti-Virus For Linux Server
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). By abusing the quarantine read and write operations, it is possible to elevate the privileges to root.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.105 (95.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Kaspersky Anti-virus_for_linux_server
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (mailing-list, Exploit, x_refsource_FULLDISC, Mailing List, VDB Entry, Third Party Advisory)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- cve@mitre.org (exploit, x_refsource_EXPLOIT-DB)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-9811?
- CVE-2017-9811 is a critical-severity vulnerability in Kaspersky Anti-Virus For Linux Server, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2017-07-17.
- How severe is CVE-2017-9811?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-9811 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.