libraries/server_synchronize.lib.php in the Synchronize implementation in phpMyAdmin 3.x before 3.3.10.2 and 3.4.x before 3.4.3.1 does not properly quote regular expressions, which allows remote authenticated users to inject a PCRE e (aka PREG_REPLACE_EVAL) modifier, and consequently execute arbitrary PHP code, by leveraging the ability to modify the SESSION superglobal array.

References

• https://nvd.nist.gov/vuln/detail/CVE-2011-2507
• http://0x6a616d6573.blogspot.com/2011/07/phpmyadmin-fud.html
• http://ha.xxor.se/2011/07/phpmyadmin-3x-multiple-remote-code.html
• http://ha.xxor.se/2011/07/phpmyadmin-3x-pregreplace-rce-poc.html
• http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062719.html
• http://phpmyadmin.git.sourceforge.net/git/gitweb.cgi?p=phpmyadmin/phpmyadmin;a=commit;h=69fb0f8e7dc38075427aceaf09bcac697d0590ff
• http://secunia.com/advisories/45139
• http://secunia.com/advisories/45292
• http://secunia.com/advisories/45315
• http://securityreason.com/securityalert/8306
• http://typo3.org/teams/security/security-bulletins/typo3-sa-2011-008/
• http://www.debian.org/security/2011/dsa-2286
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:124
• http://www.openwall.com/lists/oss-security/2011/06/28/2
• http://www.openwall.com/lists/oss-security/2011/06/28/6
• http://www.openwall.com/lists/oss-security/2011/06/28/8
• http://www.openwall.com/lists/oss-security/2011/06/29/11
• http://www.osvdb.org/73613
• http://www.phpmyadmin.net/home_page/security/PMASA-2011-7.php
• http://www.securityfocus.com/archive/1/518804/100/0/threaded
• http://www.xxor.se/advisories/phpMyAdmin_3.x_Multiple_Remote_Code_Executions.txt