Amazon Linux AMI : lighttpd Denial of Service (ALAS-2012-107)

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


Synopsis :

The remote Amazon Linux AMI host is missing a security update.

Description :

Integer signedness error in the base64_decode function in the HTTP
authentication functionality (http_auth.c) in lighttpd 1.4 before
1.4.30 and 1.5 before SVN revision 2806 allows remote attackers to
cause a denial of service (segmentation fault) via crafted base64
input that triggers an out-of-bounds read with a negative index.
(CVE-2011-4362)

See also :

http://www.nessus.org/u?7a984e42

Solution :

Run 'yum update lighttpd' to update your system.

Risk factor :

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

Family: Amazon Linux Local Security Checks

Nessus Plugin ID: 69597 ()

Bugtraq ID:

CVE ID: CVE-2011-4362