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.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Kaspersky Anti-Virus File Server 8.0.3.297 - Multiple Vulnerabilities EDB-42269 · webapps · Jun 28, 2017 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 20170628 [CORE-2017-0003] - Kaspersky Anti-Virus File Server Multiple Vulnerabilities mailing-list
- http://packetstormsecurity.com/files/143190/Kaspersky-Anti-Virus-File-Server-8.0.3.297-XSS-CSRF-Code-Execution.html
- 99330 vdb-entry
- 1038798 vdb-entry
- 42269 exploit
- https://www.coresecurity.com/advisories/kaspersky-anti-virus-file-server-multiple-vulnerabilities