FreeBSD : bogofilter -- heap underrun on malformed base64 input (25ed4ff8-8940-11df-a339-0026189baca3)

This script is Copyright (C) 2010-2013 Tenable Network Security, Inc.


Synopsis :

The remote FreeBSD host is missing one or more security-related
updates.

Description :

Julius Plenz reports :

I found a bug in the base64_decode function which may cause memory
corruption when the function is executed on a malformed base64 encoded
string.

If a string starting with an equal-sign is passed to the base64_decode
function it triggers a memory corruption that in some cases makes
bogofilter crash.

See also :

http://bogofilter.sourceforge.net/security/bogofilter-SA-2010-01
http://www.nessus.org/u?483fbfc5

Solution :

Update the affected packages.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 47616 (freebsd_pkg_25ed4ff8894011dfa3390026189baca3.nasl)

Bugtraq ID:

CVE ID: CVE-2010-2494

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