CVE-2006-4020 Information

Description

scanf.c in PHP 5.1.4 and earlier and 4.4.3 and earlier allows context-dependent attackers to execute arbitrary code via a sscanf PHP function call that performs argument swapping which increments an index past the end of an array and triggers a buffer over-read.

Reference

ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc http://bugs.php.net/bug.php?id=38322 http://rhn.redhat.com/errata/RHSA-2006-0688.html http://rhn.redhat.com/errata/RHSA-2006-0736.html http://secunia.com/advisories/21403 http://secunia.com/advisories/21467 http://secunia.com/advisories/21546 http://secunia.com/advisories/21608 http://secunia.com/advisories/21683 http://secunia.com/advisories/21768 http://secunia.com/advisories/21847 http://secunia.com/advisories/22004 http://secunia.com/advisories/22039 http://secunia.com/advisories/22069 http://secunia.com/advisories/22440 http://secunia.com/advisories/22487 http://secunia.com/advisories/22538 http://secunia.com/advisories/23247 http://security.gentoo.org/glsa/glsa-200608-28.xml http://securityreason.com/securityalert/1341 http://securitytracker.com/id?1016984 http://support.avaya.com/elmodocs2/security/ASA-2006-221.htm http://support.avaya.com/elmodocs2/security/ASA-2006-222.htm http://support.avaya.com/elmodocs2/security/ASA-2006-223.htm http://www.mandriva.com/security/advisories?name=MDKSA-2006:144 http://www.novell.com/linux/security/advisories/2006_19_sr.html http://www.novell.com/linux/security/advisories/2006_20_sr.html http://www.novell.com/linux/security/advisories/2006_22_sr.html http://www.novell.com/linux/security/advisories/2006_52_php.html http://www.php.net/ChangeLog-5.php5.1.5 http://www.php.net/release_5_1_5.php http://www.plain-text.info/sscanf_bug.txt http://www.redhat.com/support/errata/RHSA-2006-0669.html http://www.redhat.com/support/errata/RHSA-2006-0682.html http://www.securityfocus.com/archive/1/442438/30/0/threaded http://www.securityfocus.com/bid/19415 http://www.ubuntu.com/usn/usn-342-1 http://www.vupen.com/english/advisories/2006/3193 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A11062