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Critical PHP Remote Code Execution Alert for Red Hat Enterprise Linux 4-6

red hat
Calendar Grey February 2, 2012
Dist Redhat Esm H88
Recent updates for PHP packages resolve a significant security vulnerability affecting users of Red Hat Enterprise Linux. It is strongly advised to upgrade without delay.
Updated php packages that fix one security issue are now available for Red Hat Enterprise Linux 4, 5 and 6

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/kb/docs/DOC-11259

Summary

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server.
It was discovered that the fix for CVE-2011-4885 (released via RHSA-2012:0071, RHSA-2012:0033, and RHSA-2012:0019 for php packages in Red Hat Enterprise Linux 4, 5, and 6 respectively) introduced an uninitialized memory use flaw. A remote attacker could send a specially-crafted HTTP request to cause the PHP interpreter to crash or, possibly, execute arbitrary code. (CVE-2012-0830)
All php users should upgrade to these updated packages, which contain a backported patch to resolve this issue. After installing the updated packages, the httpd daemon must be restarted for the update to take effect.

Topics%20covered

Topics Covered

security advisory critical issue Red Hat Enterprise Linux software fix security patch php update remote code exec

References

https://access.redhat.com/security/cve/CVE-2012-0830 https://access.redhat.com/security/updates/classification/#critical

Package List

Red Hat Enterprise Linux AS version 4:
Source:
i386: php-4.3.9-3.36.i386.rpm php-debuginfo-4.3.9-3.36.i386.rpm php-devel-4.3.9-3.36.i386.rpm php-domxml-4.3.9-3.36.i386.rpm php-gd-4.3.9-3.36.i386.rpm php-imap-4.3.9-3.36.i386.rpm php-ldap-4.3.9-3.36.i386.rpm php-mbstring-4.3.9-3.36.i386.rpm php-mysql-4.3.9-3.36.i386.rpm php-ncurses-4.3.9-3.36.i386.rpm php-odbc-4.3.9-3.36.i386.rpm php-pear-4.3.9-3.36.i386.rpm php-pgsql-4.3.9-3.36.i386.rpm php-snmp-4.3.9-3.36.i386.rpm php-xmlrpc-4.3.9-3.36.i386.rpm
ia64: php-4.3.9-3.36.ia64.rpm php-debuginfo-4.3.9-3.36.ia64.rpm php-devel-4.3.9-3.36.ia64.rpm php-domxml-4.3.9-3.36.ia64.rpm php-gd-4.3.9-3.36.ia64.rpm php-imap-4.3.9-3.36.ia64.rpm php-ldap-4.3.9-3.36.ia64.rpm php-mbstring-4.3.9-3.36.ia64.rpm php-mysql-4.3.9-3.36.ia64.rpm php-ncurses-4.3.9-3.36.ia64.rpm php-odbc-4.3.9-3.36.ia64.rpm php-pear-4.3.9-3.36.ia64.rpm php-pgsql-4.3.9-3.36.ia64.rpm php-snmp-4.3.9-3.36.ia64.rpm php-xmlrpc-4.3.9-3.36.ia64.rpm
ppc: php-4.3.9-3.36.ppc.rpm php-debuginfo-4.3.9-3.36.ppc.rpm php-devel-4.3.9-3.36.ppc.rpm php-domxml-4.3.9-3.36.ppc.rpm php-gd-4.3.9-3.36.ppc.rpm php-imap-4.3.9-3.36.ppc.rpm php-ldap-4.3.9-3.36.ppc.rpm php-mbstring-4.3.9-3.36.ppc.rpm php-mysql-4.3.9-3.36.ppc.rpm php-ncurses-4.3.9-3.36.ppc.rpm php-odbc-4.3.9-3.36.ppc.rpm

Read the Full Advisory


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2012:0093-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2012:0093.html
Issue date: 2012-02-02

Topic

Updated php packages that fix one security issue are now available forRed Hat Enterprise Linux 4, 5 and 6.The Red Hat Security Response Team has rated this update as having criticalsecurity impact. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available from the CVE link inthe References section.

Topics%20covered

Topics Covered

security advisory critical issue Red Hat Enterprise Linux software fix security patch php update remote code exec

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

Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64

Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64

Red Hat Enterprise Linux Desktop version 4 - i386, x86_64

Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64

Red Hat Enterprise Linux HPC Node (v. 6) - x86_64

Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64

Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64

Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

Bugs Fixed

786686 - CVE-2012-0830 php: remote code exec flaw introduced in the CVE-2011-4885 hashdos fix

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