CVE-2006-4812

Integer overflow in PHP 5 up to 5.1.6 and 4 before 4.3.0 allows remote attackers to execute arbitrary code via an argument to the unserialize PHP function with a large value for the number of array elements, which triggers the overflow in the Zend Engine ecalloc function (Zend/zend_alloc.c).

Score

CVSS 2.0 10.0 Critical

Status

Modified - secalert@redhat.com

Published

2006-10-10

Last modified

2024-08-07

Weaknesses

CWE-94

Affected products

• Php (Php)

References

• http://cvs.php.net/viewvc.cgi/ZendEngine2/zend_alloc.c?r1=1.161&r2=1.162
• http://lists.suse.com/archive/suse-security-announce/2006-Oct/0002.html
• http://rhn.redhat.com/errata/RHSA-2006-0688.html
• http://rhn.redhat.com/errata/RHSA-2006-0708.html
• http://secunia.com/advisories/22280
• http://secunia.com/advisories/22281
• http://secunia.com/advisories/22300
• http://secunia.com/advisories/22331
• http://secunia.com/advisories/22338
• http://secunia.com/advisories/22533
• http://secunia.com/advisories/22538
• http://secunia.com/advisories/22650
• http://securityreason.com/securityalert/1691
• http://securitytracker.com/id?1016984
• http://support.avaya.com/elmodocs2/security/ASA-2006-223.htm
• http://support.avaya.com/elmodocs2/security/ASA-2006-234.htm
• http://www.gentoo.org/security/en/glsa/glsa-200610-14.xml
• http://www.hardened-php.net/advisory_092006.133.html
• http://www.hardened-php.net/files/CVE-2006-4812.patch
• http://www.securityfocus.com/archive/1/448014/100/0/threaded
• http://www.securityfocus.com/archive/1/448953/100/0/threaded
• http://www.securityfocus.com/bid/20349
• http://www.trustix.org/errata/2006/0055
• http://www.ubuntu.com/usn/usn-362-1
• http://www.vupen.com/english/advisories/2006/3922
• https://exchange.xforce.ibmcloud.com/vulnerabilities/29362