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Test ID:1.3.6.1.4.1.25623.1.0.70658
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2012:0019
Summary:NOSUMMARY
Description:Description:
The remote host is missing updates announced in
advisory RHSA-2012:0019.

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)

Red Hat would like to thank oCERT for reporting CVE-2011-4885. oCERT
acknowledges Julian Wälde and Alexander Klink as the original reporters of
CVE-2011-4885.

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.

Solution:
Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

http://rhn.redhat.com/errata/RHSA-2012-0019.html

Risk factor : Medium

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2011-4566
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
BugTraq ID: 50907
http://www.securityfocus.com/bid/50907
Debian Security Information: DSA-2399 (Google Search)
http://www.debian.org/security/2012/dsa-2399
http://www.mandriva.com/security/advisories?name=MDVSA-2011:197
http://www.redhat.com/support/errata/RHSA-2012-0019.html
RedHat Security Advisories: RHSA-2012:0071
http://rhn.redhat.com/errata/RHSA-2012-0071.html
http://secunia.com/advisories/47253
http://secunia.com/advisories/48668
SuSE Security Announcement: openSUSE-SU-2012:0426 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html
https://www.ubuntu.com/usn/USN-1307-1/
XForce ISS Database: php-exifprocessifdtag-dos(71612)
https://exchange.xforce.ibmcloud.com/vulnerabilities/71612
Common Vulnerability Exposure (CVE) ID: CVE-2011-4885
BugTraq ID: 51193
http://www.securityfocus.com/bid/51193
Bugtraq: 20111228 n.runs-SA-2011.004 - web programming languages and platforms - DoS through hash table (Google Search)
http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
CERT/CC vulnerability note: VU#903934
http://www.kb.cert.org/vuls/id/903934
http://www.exploit-db.com/exploits/18296
http://www.exploit-db.com/exploits/18305
HPdes Security Advisory: HPSBMU02786
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
HPdes Security Advisory: HPSBOV02763
http://marc.info/?l=bugtraq&m=133469208622507&w=2
HPdes Security Advisory: HPSBUX02741
http://marc.info/?l=bugtraq&m=132871655717248&w=2
HPdes Security Advisory: SSRT100728
HPdes Security Advisory: SSRT100826
HPdes Security Advisory: SSRT100877
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
http://www.nruns.com/_downloads/advisory28122011.pdf
http://www.ocert.org/advisories/ocert-2011-003.html
https://github.com/FireFart/HashCollision-DOS-POC/blob/master/HashtablePOC.py
http://www.securitytracker.com/id?1026473
http://secunia.com/advisories/47404
SuSE Security Announcement: SUSE-SU-2012:0411 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00013.html
XForce ISS Database: php-hash-dos(72021)
https://exchange.xforce.ibmcloud.com/vulnerabilities/72021
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