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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 20.4%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
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 2.0
- 10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 20.38% probability · 97th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-94
- Affected
- php/php
- Source
- secalert@redhat.com
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.htmlPatch, Vendor Advisory
- http://secunia.com/advisories/22280Patch, Vendor 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
- 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.htmlVendor Advisory
- http://www.hardened-php.net/files/CVE-2006-4812.patchPatch
- 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
- 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.htmlPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.