Vulnerability Description
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).
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | 4.0 |
Related Weaknesses (CWE)
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.htmlPatchVendor Advisory
- http://secunia.com/advisories/22280PatchVendor Advisory
- 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?1016984Patch
- http://support.avaya.com/elmodocs2/security/ASA-2006-223.htm
FAQ
What is CVE-2006-4812?
CVE-2006-4812 is a vulnerability with a CVSS score of 10.0 (HIGH). 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 el...
How severe is CVE-2006-4812?
CVE-2006-4812 has been rated HIGH with a CVSS base score of 10.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2006-4812?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php.