The (1) session_save_path, (2) ini_set, and (3) error_log functions in...

Vulnerability Description

The (1) session_save_path, (2) ini_set, and (3) error_log functions in PHP 4.4.7 and earlier, and PHP 5 5.2.3 and earlier, when invoked from a .htaccess file, allow remote attackers to bypass safe_mode and open_basedir restrictions and possibly execute arbitrary commands, as demonstrated using (a) php_value, (b) php_flag, and (c) directives in .htaccess.

References

• http://securityreason.com/securityalert/2831
• http://www.php.net/ChangeLog-5.php#5.2.5
• http://secunia.com/advisories/26822
• http://secunia.com/advisories/28750
• http://www.vupen.com/english/advisories/2008/0059
• https://exchange.xforce.ibmcloud.com/vulnerabilities/39403
• http://www.gentoo.org/security/en/glsa/glsa-200710-02.xml
• http://www.vupen.com/english/advisories/2008/0924/references
• http://securityreason.com/achievement_exploitalert/9
• http://www.php.net/releases/4_4_8.php
• http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.335136
• http://secunia.com/advisories/30040
• http://www.vupen.com/english/advisories/2008/0398
• http://www.php.net/releases/5_2_5.php
• http://www.php.net/ChangeLog-5.php#5.2.4
• http://secunia.com/advisories/28936
• http://www.trustix.org/errata/2007/0026/
• http://secunia.com/advisories/29420
• http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
• https://issues.rpath.com/browse/RPL-1693
• http://www.securityfocus.com/archive/1/491693/100/0/threaded
• http://securityreason.com/securityalert/3389
• http://secunia.com/advisories/27648
• http://securityreason.com/achievement_securityalert/45
• https://issues.rpath.com/browse/RPL-1702
• http://secunia.com/advisories/26838
• http://secunia.com/advisories/27377
• http://www.securityfocus.com/archive/1/472343/100/0/threaded
• http://www.securityfocus.com/archive/1/491693/100/0/threaded
• https://exchange.xforce.ibmcloud.com/vulnerabilities/35102
• http://docs.info.apple.com/article.html?artnum=307562
• http://www.php.net/ChangeLog-4.php
• http://secunia.com/advisories/27102
• http://www.vupen.com/english/advisories/2007/3023
• http://www.php.net/releases/5_2_4.php
• http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01345501
• http://secunia.com/advisories/28318
• http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01345501
• http://www.securityfocus.com/bid/25498
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6056
• http://secunia.com/advisories/26642
• http://www.securityfocus.com/bid/24661
• http://www.osvdb.org/38682
• http://www.openwall.com/lists/oss-security/2020/09/17/3
• http://seclists.org/fulldisclosure/2020/Sep/34