CentOS has released updated packages to address PHP _php_stream_scandir() function buffer overflow vulnerability.
Description
PHP contains a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or execute arbitrary code on a targeted system.
The vulnerability is due to an unspecified error in the affected software. An unauthenticated, remote attacker could exploit this vulnerability by submitting crafted requests. Successful exploitation could trigger a buffer overflow condition that could allow the attacker to execute arbitrary code or cause a DoS condition on the system.
PHP has confirmed this vulnerability and released updated software.
Warning Indicators
The following PHP versions are vulnerable:
PHP versions 5.4.4 and prior
PHP versions 5.3.14 and prior
IntelliShield Analysis
To exploit this vulnerability, the attacker would need to send crafted requests to a targeted system. To achieve this objective, the attacker would need access to trusted, internal networks. This access requirement decreases the likelihood of a successful exploit.
Vendor Announcements
PHP has released a changelog at the following link: CVE-2012-2688
Apple has released a security advisory at the following link: HT5501
CentOS packages can be updated using the up2date or yum command.
FreeBSD has released ports collection updates at the following link: Ports Collection Index
Red Hat has released updated software for registered subscribers at the following link: Red Hat Network. Red Hat packages can be updated on Red Hat Enterprise Linux versions 5 and later using the yum tool.
Alert History
Version 4, February 22, 2013, 7:57 AM: Red Hat has released a security advisory and updated packages to address the PHP _php_stream_scandir() function buffer overflow vulnerability.
Version 3, September 26, 2012, 1:33 PM: Apple has released a security advisory and updated software to address the PHP _php_stream_scandir() function buffer overflow vulnerability.
Version 2, July 24, 2012, 1:22 PM: FreeBSD has released a VuXML document and updated ports collection to address the PHP _php_stream_scandir() function buffer overflow vulnerability.
Version 1, July 20, 2012, 12:08 PM: PHP contains a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service condition or execute arbitrary code. Updated software is available.
The security vulnerability applies to the following combinations of products.
Primary Products:
php
php
5.3.0 Base | 5.3.1 Base | 5.3.10 Base | 5.3.11 Base | 5.3.12 Base | 5.3.13 Base | 5.3.14 Base | 5.3.2 Base | 5.3.3 Base | 5.3.4 Base | 5.3.5 Base | 5.3.6 Base | 5.3.7 Base | 5.3.8 Base | 5.3.9 Base | 5.4.0 Base | 5.4.1 Base | 5.4.2 Base | 5.4.3 Base | 5.4.4 Base
Associated Products:
Apple
Mac OS X
10.6.1 Intel, PPC | 10.6.2 Base | 10.6.3 Base | 10.6.4 Base | 10.6.5 Base | 10.6.6 Base | 10.6.7 Base | 10.6.8 Base | 10.7 Base | 10.7.1 Base | 10.7.2 Base | 10.7.3 Base | 10.7.4 Base | 10.8 .1, Base | 10.8.1 Base
Apple
Mac OS X Server
10.6.1 Intel, PPC | 10.6.2 Base | 10.6.3 Base | 10.6.4 Base | 10.6.5 Base | 10.6.6 Base | 10.6.7 Base | 10.6.8 Base | 10.7 Base | 10.7.1 Base | 10.7.2 Base | 10.7.3 Base | 10.7.4 Base | 10.8.0 Base | 10.8.1 Base
6.3 Base | 6.4 Base | 7.0 Base | 7.1 Base | 7.2 Base | 7.3 Base | 7.4 Base | 8.0 Base | 8.1 Base | 8.2 Base | 8.3 Base | 9.0 Base
Red Hat, Inc.
Red Hat Enterprise Linux Desktop
6 IA-32, x86_64
Red Hat, Inc.
Red Hat Enterprise Linux HPC Node
6 x86_64
Red Hat, Inc.
Red Hat Enterprise Linux Server
6 IA-32, PPC 64, s390x, x86_64
Red Hat, Inc.
Red Hat Enterprise Linux Workstation
6 IA-32, x86_64
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