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Red Hat: RHSA-2014:0311-01 Critical: PHP Buffer Overflow Threat

red hat
Calendar Grey March 18, 2014
Dist Redhat Esm H88
Important security patch for PHP on Red Hat Enterprise Linux addresses vulnerability and privilege escalation problems. Upgrade suggested.
Updated php packages that fix two security issues are now available for Red Hat Enterprise Linux 5

Solution

Before applying this update, make sure all previously released errata relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/site/articles/11258

Summary

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server.
A buffer overflow flaw was found in the way PHP parsed floating point numbers from their text representation. If a PHP application converted untrusted input strings to numbers, an attacker able to provide such input could cause the application to crash or, possibly, execute arbitrary code with the privileges of the application. (CVE-2009-0689)
It was found that PHP did not properly handle file names with a NULL character. A remote attacker could possibly use this flaw to make a PHP script access unexpected files and bypass intended file system access restrictions. (CVE-2006-7243)
All php users are advised to upgrade to these updated packages, which contain backported patches to correct these issues. After installing the updated packages, the httpd daemon must be restarted for the update to take effect.

Topics%20covered

Topics Covered

security advisory security issue buffer overflow software update Red Hat Enterprise Linux critical update php security

References

https://access.redhat.com/security/cve/CVE-2006-7243 https://access.redhat.com/security/cve/CVE-2009-0689 https://access.redhat.com/security/updates/classification/#critical

Package List

RHEL Desktop Workstation (v. 5 client):
Source:
i386: php-5.1.6-44.el5_10.i386.rpm php-bcmath-5.1.6-44.el5_10.i386.rpm php-cli-5.1.6-44.el5_10.i386.rpm php-common-5.1.6-44.el5_10.i386.rpm php-dba-5.1.6-44.el5_10.i386.rpm php-debuginfo-5.1.6-44.el5_10.i386.rpm php-devel-5.1.6-44.el5_10.i386.rpm php-gd-5.1.6-44.el5_10.i386.rpm php-imap-5.1.6-44.el5_10.i386.rpm php-ldap-5.1.6-44.el5_10.i386.rpm php-mbstring-5.1.6-44.el5_10.i386.rpm php-mysql-5.1.6-44.el5_10.i386.rpm php-ncurses-5.1.6-44.el5_10.i386.rpm php-odbc-5.1.6-44.el5_10.i386.rpm php-pdo-5.1.6-44.el5_10.i386.rpm php-pgsql-5.1.6-44.el5_10.i386.rpm php-snmp-5.1.6-44.el5_10.i386.rpm php-soap-5.1.6-44.el5_10.i386.rpm php-xml-5.1.6-44.el5_10.i386.rpm php-xmlrpc-5.1.6-44.el5_10.i386.rpm
x86_64: php-5.1.6-44.el5_10.x86_64.rpm php-bcmath-5.1.6-44.el5_10.x86_64.rpm php-cli-5.1.6-44.el5_10.x86_64.rpm php-common-5.1.6-44.el5_10.x86_64.rpm php-dba-5.1.6-44.el5_10.x86_64.rpm php-debuginfo-5.1.6-44.el5_10.x86_64.rpm php-devel-5.1.6-44.el5_10.x86_64.rpm php-gd-5.1.6-44.el5_10.x86_64.rpm php-imap-5.1.6-44.el5_10.x86_64.rpm php-ldap-5.1.6-44.el5_10.x86_64.rpm php-mbstring-5.1.6-44.el5_10.x86_64.rpm php-mysql-5.1.6-44.el5_10.x86_64.rpm php-ncurses-5.1.6-44.el5_10.x86_64.rpm php-odbc-5.1.6-44.el5_10.x86_64.rpm

Read the Full Advisory


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2014:0311-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2014:0311.html
Issue date: 2014-03-18

Topic

Updated php packages that fix two security issues are now available forRed Hat Enterprise Linux 5.The Red Hat Security Response Team has rated this update as having Criticalsecurity impact. Common Vulnerability Scoring System (CVSS) base scores,which give detailed severity ratings, are available for each vulnerabilityfrom the CVE links in the References section.

Topics%20covered

Topics Covered

security advisory security issue buffer overflow software update Red Hat Enterprise Linux critical update php security

Relevant Releases Architectures

RHEL Desktop Workstation (v. 5 client) - i386, x86_64

Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64

Bugs Fixed

539784 - CVE-2009-0689 array index error in dtoa implementation of many products

662707 - CVE-2006-7243 php: paths with NULL character were considered valid

1057555 - CVE-2009-0689 php: heap overflow in floating point parsing

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