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Sendmail < 8.7.6 GECOS Field Local Overflow DoS

High

Synopsis

The remote host is vulnerable to a flaw that allows attackers to retrieve sensitive files or data.

Description

The remote Sendmail server has a buffer overflow and a denial of service vulnerability in the way it uses the GECOS fields. A local attacker may exploit this flaw to escalate privileges on this host and gain a root shell.

Solution

Upgrade to Sendmail 8.7.6 or higher.