CVE-2006-4812
28Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendepss 15%
from disclosure to weapon0 days
Published on NVDOct 9
1st PoCOct 5
exploitation probability
15%top 4% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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).
Affected products
n/a · n/apublic PoCs found — 1✓ VexDay Proof
exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/28760⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
http://cvs.php.net/viewvc.cgi/ZendEngine2/zend_alloc.c?r1=1.161&r2=1.162http://lists.suse.com/archive/suse-security-announce/2006-Oct/0002.htmlhttp://rhn.redhat.com/errata/RHSA-2006-0688.htmlhttp://rhn.redhat.com/errata/RHSA-2006-0708.htmlhttp://secunia.com/advisories/22280http://secunia.com/advisories/22281http://secunia.com/advisories/22300http://secunia.com/advisories/22331http://secunia.com/advisories/22338http://secunia.com/advisories/22533http://secunia.com/advisories/22538http://secunia.com/advisories/22650