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qpopper < 4.0.5fc2 Qvsnprintf Remote Overflow

Medium

Synopsis

The remote host is vulnerable to a buffer overflow.

Description

The remote qpopper server, according to its banner, is vulnerable to a one-byte overflow in the function Qvsnprintf(). An attacker may use this flaw to gain a (non-root) shell on this host, provided that the attacker has a valid POP account to log in with.

Solution

Upgrade to version 4.0.5fc2 or higher.