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CVE-2017-12374

Description

The ClamAV AntiVirus software versions 0.99.2 and prior contain a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a lack of input validation checking mechanisms during certain mail parsing operations (mbox.c operations on bounce messages). If successfully exploited, the ClamAV software could allow a variable pointing to the mail body which could cause a used after being free (use-after-free) instance which may lead to a disruption of services on an affected device to include a denial of service condition.

POC

Reference

- https://bugzilla.clamav.net/show_bug.cgi?id=11939

- https://usn.ubuntu.com/3550-1/

- https://usn.ubuntu.com/3550-2/

Github

No PoCs found on GitHub currently.