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CVE-2011-0420

Status Candidate

Overview

The grapheme_extract function in the Internationalization extension (Intl) for ICU for PHP 5.3.5 allows context-dependent attackers to cause a denial of service (crash) via an invalid size argument, which triggers a NULL pointer dereference.

Related Files

Debian Security Advisory 2266-2
Posted Jul 1, 2011
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2266-2 - The update for CVE-2010-2531 for the old stabledistribution (lenny) introduced a regression, which lead to additional output being written to stdout.

tags | advisory
systems | linux, debian
advisories | CVE-2010-2531, CVE-2011-0420, CVE-2011-0421, CVE-2011-0708, CVE-2011-1153, CVE-2011-1466, CVE-2011-1471, CVE-2011-2202
MD5 | 2b9ab744fd68682fb29e029a44b94f01
Debian Security Advisory 2266-1
Posted Jun 30, 2011
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2266-1 - Several vulnerabilities were discovered in PHP, which could lead to denial of service or potentially the execution of arbitrary code.

tags | advisory, denial of service, arbitrary, php, vulnerability
systems | linux, debian
advisories | CVE-2010-2531, CVE-2011-0420, CVE-2011-0421, CVE-2011-0708, CVE-2011-1153, CVE-2011-1466, CVE-2011-1471, CVE-2011-2202
MD5 | b2e43d17e42a67932628eb0ec6270779
Ubuntu Security Notice USN-1126-2
Posted May 5, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1126-2 - USN 1126-1 fixed several vulnerabilities in PHP. The fix for CVE-2010-4697 introduced an incorrect reference counting regression in the Zend engine that caused the PHP interpreter to segfault. This regression affects Ubuntu 6.06 LTS and Ubuntu 8.04 LTS.

tags | advisory, php, vulnerability
systems | linux, ubuntu
advisories | CVE-2011-1144, CVE-2006-7243, CVE-2010-4697, CVE-2010-4698, CVE-2011-0420, CVE-2011-0421, CVE-2011-0441, CVE-2011-0708, CVE-2011-1072, CVE-2011-1092, CVE-2011-1144, CVE-2011-1148, CVE-2011-1153, CVE-2011-1464, CVE-2011-1466, CVE-2011-1467, CVE-2011-1468, CVE-2011-1469, CVE-2011-1470, CVE-2011-1471
MD5 | 0e2b45f3123eaf29102228d7f91ad24c
Ubuntu Security Notice USN-1126-1
Posted Apr 29, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1126-1 - Stephane Chazelas discovered that the /etc/cron.d/php5 cron job for PHP 5.3.5 allows local users to delete arbitrary files via a symlink attack on a directory under /var/lib/php5/. Raphael Geisert and Dan Rosenberg discovered that the PEAR installer allows local users to overwrite arbitrary files via a symlink attack on the package.xml file. Martin Barbella discovered a buffer overflow in the PHP GD extension that allows an attacker to cause a denial of service (application crash) via a large number of anti-aliasing steps in an argument to the imagepstext function. It was discovered that PHP accepts the \0 character in a pathname, which might allow an attacker to bypass intended access restrictions by placing a safe file extension after this character. Various other issues with PHP 5 were also identified and resolved.

tags | advisory, denial of service, overflow, arbitrary, local, php
systems | linux, ubuntu
advisories | CVE-2011-1144, CVE-2006-7243, CVE-2010-4697, CVE-2010-4698, CVE-2011-0420, CVE-2011-0421, CVE-2011-0441, CVE-2011-0708, CVE-2011-1072, CVE-2011-1092, CVE-2011-1144, CVE-2011-1148, CVE-2011-1153, CVE-2011-1464, CVE-2011-1466, CVE-2011-1467, CVE-2011-1468, CVE-2011-1469, CVE-2011-1470, CVE-2011-1471
MD5 | 2c7a97fe636fd30935212ae6c190fea6
PHP 5.2.5 grapheme_extract() NULL Pointer Dereference
Posted Feb 16, 2011
Authored by Maksymilian Arciemowicz

PHP version 5.2.5 suffers from a grapheme_extract() null pointer dereference vulnerability.

tags | exploit, php
advisories | CVE-2011-0420
MD5 | 6073952610e5e2a5c6b32366d9101927
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