Scientific Linux Security Update : php53 and php on SL5.x, SL6.x i386/x86_64

This script is Copyright (C) 2012-2014 Tenable Network Security, Inc.


Synopsis :

The remote Scientific Linux host is missing one or more security
updates.

Description :

PHP is an HTML-embedded scripting language commonly used with the
Apache HTTP Server.

It was found that the hashing routine used by PHP arrays was
susceptible to predictable hash collisions. If an HTTP POST request to
a PHP application contained many parameters whose names map to the
same hash value, a large amount of CPU time would be consumed. This
flaw has been mitigated by adding a new configuration directive,
max_input_vars, that limits the maximum number of parameters processed
per request. By default, max_input_vars is set to 1000.
(CVE-2011-4885)

An integer overflow flaw was found in the PHP exif extension. On
32-bit systems, a specially crafted image file could cause the PHP
interpreter to crash or disclose portions of its memory when a PHP
script tries to extract Exchangeable image file format (Exif) metadata
from the image file. (CVE-2011-4566)

All php53 and php users should upgrade to these updated packages,
which contain backported patches to resolve these issues. After
installing the updated packages, the httpd daemon must be restarted
for the update to take effect.

See also :

http://www.nessus.org/u?338fccbf

Solution :

Update the affected packages.

Risk factor :

Medium / CVSS Base Score : 6.4
(CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:P)
Public Exploit Available : true

Family: Scientific Linux Local Security Checks

Nessus Plugin ID: 61219 ()

Bugtraq ID:

CVE ID: CVE-2011-4566
CVE-2011-4885