PHP before 5.3.9 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.
References
Link Resource
http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00013.html
http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html
http://marc.info/?l=bugtraq&m=132871655717248&w=2
http://marc.info/?l=bugtraq&m=133469208622507&w=2
http://rhn.redhat.com/errata/RHSA-2012-0071.html
http://secunia.com/advisories/47404
http://secunia.com/advisories/48668
http://support.apple.com/kb/HT5281
http://svn.php.net/viewvc?view=revision&revision=321003
http://svn.php.net/viewvc?view=revision&revision=321040
http://www.debian.org/security/2012/dsa-2399
http://www.exploit-db.com/exploits/18296
http://www.exploit-db.com/exploits/18305
http://www.kb.cert.org/vuls/id/903934 US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2011:197
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
http://www.nruns.com/_downloads/advisory28122011.pdf
http://www.ocert.org/advisories/ocert-2011-003.html
http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html
http://www.redhat.com/support/errata/RHSA-2012-0019.html
http://www.securityfocus.com/bid/51193
http://www.securitytracker.com/id?1026473
https://exchange.xforce.ibmcloud.com/vulnerabilities/72021
https://github.com/FireFart/HashCollision-DOS-POC/blob/master/HashtablePOC.py
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2011-12-30T01:00:00

Updated: 2018-01-08T20:57:01

Reserved: 2011-12-21T00:00:00


Link: CVE-2011-4885

JSON object: View

cve-icon NVD Information

Status : Modified

Published: 2011-12-30T01:55:01.563

Modified: 2018-01-09T02:29:01.427


Link: CVE-2011-4885

JSON object: View

cve-icon Redhat Information

No data.

CWE