CVE-2011-4885

php: hash table collisions CPU usage DoS (oCERT-2011-003)

Published Dec 30, 2011 CVSS 2.0 · 5.0 Medium EPSS 83.4% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-2399-1 php5 security update
Debian DSA Debian DSA DSA-2399-2 php5 regression fix
Ubuntu USN Ubuntu USN USN-1358-1 PHP vulnerabilities
References
Link Providers
http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html cve-icon cve-icon
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041 cve-icon cve-icon
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00013.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html cve-icon cve-icon
http://marc.info/?l=bugtraq&m=132871655717248&w=2 cve-icon cve-icon
http://marc.info/?l=bugtraq&m=133469208622507&w=2 cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2012-0071.html cve-icon cve-icon
http://secunia.com/advisories/47404 cve-icon cve-icon
http://secunia.com/advisories/48668 cve-icon cve-icon
http://support.apple.com/kb/HT5281 cve-icon cve-icon
http://svn.php.net/viewvc?view=revision&revision=321003 cve-icon cve-icon
http://svn.php.net/viewvc?view=revision&revision=321040 cve-icon cve-icon
http://www.debian.org/security/2012/dsa-2399 cve-icon cve-icon
http://www.exploit-db.com/exploits/18296 cve-icon cve-icon
http://www.exploit-db.com/exploits/18305 cve-icon cve-icon
http://www.kb.cert.org/vuls/id/903934 cve-icon cve-icon
http://www.mandriva.com/security/advisories?name=MDVSA-2011:197 cve-icon cve-icon
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150 cve-icon cve-icon
http://www.nruns.com/_downloads/advisory28122011.pdf cve-icon cve-icon
http://www.ocert.org/advisories/ocert-2011-003.html cve-icon cve-icon
http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html cve-icon cve-icon
http://www.redhat.com/support/errata/RHSA-2012-0019.html cve-icon cve-icon
http://www.securityfocus.com/bid/51193 cve-icon cve-icon
http://www.securitytracker.com/id?1026473 cve-icon cve-icon
https://exchange.xforce.ibmcloud.com/vulnerabilities/72021 cve-icon cve-icon
https://github.com/FireFart/HashCollision-DOS-POC/blob/master/HashtablePOC.py cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2011-4885 cve-icon
https://www.cve.org/CVERecord?id=CVE-2011-4885 cve-icon
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 7, 2024, 12:16 AM
Reserved
Dec 21, 2011, 12:00 AM
Status
Modified
Published
Dec 30, 2011, 1:55 AM
Modified
Jun 16, 2026, 11:35 PM
Severity
Moderate
Public date
Dec 28, 2011, 12:00 AM