Hendrik Weimer has reported a vulnerability in Clam AntiVirus, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to a stack overflow when scanning messages with deeply nested multipart content. This can be exploited to crash the service by sending specially crafted emails to a vulnerable system.
The vulnerability is reported in versions prior to 0.88.7.
Solution: Update to version 0.88.7.
Provided and/or discovered by: Hendrik Weimer
Original Advisory: http://www.quantenblog.net/security/virus-scanner-bypass
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Subject: Clam AntiVirus Multipart Nestings Denial of Service
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