Format string vulnerability in avpkeeper in Kaspersky KAV 3.5.135.2 for Sendmail allows remote attackers to cause a denial of service or possibly execute arbitrary code via a malformed mail message.
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.
Configuration file injection leading to Code Execution as Root in Kaspersky Secure Mail Gateway version 1.1.