Red Hat Security Advisory 2012-0033-01 - 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.
9c9db32e862cfa8b6928da78793e959113908e1b37b6c97554c73280cfc1a07dRed Hat Security Advisory 2011-1423-01 - PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. A signedness issue was found in the way the PHP crypt() function handled 8-bit characters in passwords when using Blowfish hashing. Up to three characters immediately preceding a non-ASCII character had no effect on the hash result, thus shortening the effective password length. This made brute-force guessing more efficient as several different passwords were hashed to the same value.
9894f6c0e2fdb3b67eeaea494961dacdfac8d7872d371ab453608b2c9d5afcf1Ubuntu 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.
d3109ede1f1b610fb18480ae30cb346b0d85aac84aedfeadd43a5eb1ad6fe0a2Ubuntu 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.
0d1f20dac678d851bff44d385515866f5fb9db107a028a3a3bb2ee850d32fc53Mandriva Linux Security Advisory 2011-053 - Multiple vulnerabilities has been identified and fixed in php. These range from denial of service to code execution issues.
8e3a31350afca8110c11002ff4e93c17438c6aac20bba525ca9ac7e60132ba30Mandriva Linux Security Advisory 2011-052 - Multiple vulnerabilities has been identified and fixed in php. These range from denial of service to code execution issues.
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