CVE-2006-4812
Vulnerability Summary
Timeline
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 Metrics
- v2.0•HIGH•Score: 10AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS Trends
Current EPSS score: 39.41%• Percentile: 97%
Techniques & Countermeasures
- CWE-94•Improper Control of Generation of Code ('Code Injection')
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
Affected Systems
- Unknown•PHP
4.0 | 4.0.1 | 4.0.1:patch1 | 4.0.1:patch2 | 4.0.2 | 4.0.3 | 4.0.3:patch1 | 4.0.4 | 4.0.5 | 4.0.6 | 4.0.7 | 4.0.7:rc1 | 4.0.7:rc2 | 4.0.7:rc3 | 4.1.0 | 4.1.1 | 4.1.2 | 4.2 | 4.2.0 | 4.2.1 | 4.2.2 | 4.2.3 | 5.0:rc1 | 5.0:rc2 | 5.0:rc3 | 5.0.0 | 5.0.1 | 5.0.2 | 5.0.3 | 5.0.4 | 5.0.5 | 5.1.0 | 5.1.1 | 5.1.2 | 5.1.3 | 5.1.4 | 5.1.5 | 5.1.6
References (26)
- http://secunia.com/advisories/22300
- http://secunia.com/advisories/22650
- http://securitytracker.com/id?1016984
- http://secunia.com/advisories/22281
- http://secunia.com/advisories/22338
- http://www.securityfocus.com/bid/20349
- http://www.securityfocus.com/archive/1/448953/100/0/threaded
- http://www.gentoo.org/security/en/glsa/glsa-200610-14.xml
- http://www.trustix.org/errata/2006/0055
- http://rhn.redhat.com/errata/RHSA-2006-0688.html
- http://www.ubuntu.com/usn/usn-362-1
- http://rhn.redhat.com/errata/RHSA-2006-0708.html
- http://secunia.com/advisories/22538
- http://securityreason.com/securityalert/1691
- http://www.hardened-php.net/advisory_092006.133.html
- http://secunia.com/advisories/22533
- http://www.hardened-php.net/files/CVE-2006-4812.patch
- http://support.avaya.com/elmodocs2/security/ASA-2006-223.htm
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29362
- 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://www.securityfocus.com/archive/1/448014/100/0/threaded
- http://secunia.com/advisories/22331
- http://www.vupen.com/english/advisories/2006/3922
- http://secunia.com/advisories/22280
- http://support.avaya.com/elmodocs2/security/ASA-2006-234.htm