FreeBSD : fetchmail -- denial of service/crash from malicious POP3 server (3f4ac724-fa8b-11d9-afcf-0060084a00e5)

This script is Copyright (C) 2005-2017 Tenable Network Security, Inc.


Synopsis :

The remote FreeBSD host is missing a security-related update.

Description :

In fetchmail 6.2.5.1, the remote code injection via POP3 UIDL was
fixed, but a denial of service attack was introduced :

Two possible NULL pointer dereferences allow a malicious POP3 server
to crash fetchmail by respondig with UID lines containing only the
article number but no UID (in violation of RFC-1939), or a message
without Message-ID when no UIDL support is available.

See also :

http://www.nessus.org/u?81f9f606
http://www.fetchmail.info/fetchmail-SA-2005-01.txt
http://www.nessus.org/u?43b66801

Solution :

Update the affected package.

Risk factor :

High

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 19340 (freebsd_pkg_3f4ac724fa8b11d9afcf0060084a00e5.nasl)

Bugtraq ID:

CVE ID:

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