ID de Prueba:	1.3.6.1.4.1.25623.1.0.802408
Categoría:	Denial of Service
Título:	PHP Web Form Hash Collision Denial of Service Vulnerability - Windows
Resumen:	PHP is prone to a remote denial of service vulnerability.
Descripción:	Summary: PHP is prone to a remote denial of service vulnerability. Vulnerability Insight: The flaws are due to an error in, - A hash generation function when hashing form posts and updating a hash table. This can be exploited to cause a hash collision resulting in high CPU consumption via a specially crafted form sent in a HTTP POST request. - PDORow implementation, when interacting with the session feature. - timezone functionality, when handling php_date_parse_tzfile cache. Vulnerability Impact: Successful exploitation could allow remote attackers to cause a denial of service via a specially crafted form sent in a HTTP POST request. Affected Software/OS: PHP Version 5.3.8 and prior. Solution: Update PHP to 5.3.9 or later. CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Referencia Cruzada:	Common Vulnerability Exposure (CVE) ID: CVE-2011-4885 http://lists.apple.com/archives/security-announce/2012/May/msg00001.html BugTraq ID: 51193 http://www.securityfocus.com/bid/51193 Bugtraq: 20111228 n.runs-SA-2011.004 - web programming languages and platforms - DoS through hash table (Google Search) http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html CERT/CC vulnerability note: VU#903934 http://www.kb.cert.org/vuls/id/903934 Debian Security Information: DSA-2399 (Google Search) http://www.debian.org/security/2012/dsa-2399 http://www.exploit-db.com/exploits/18296 http://www.exploit-db.com/exploits/18305 HPdes Security Advisory: HPSBMU02786 http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041 HPdes Security Advisory: HPSBOV02763 http://marc.info/?l=bugtraq&m=133469208622507&w=2 HPdes Security Advisory: HPSBUX02741 http://marc.info/?l=bugtraq&m=132871655717248&w=2 HPdes Security Advisory: SSRT100728 HPdes Security Advisory: SSRT100826 HPdes Security Advisory: SSRT100877 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 https://github.com/FireFart/HashCollision-DOS-POC/blob/master/HashtablePOC.py http://www.redhat.com/support/errata/RHSA-2012-0019.html RedHat Security Advisories: RHSA-2012:0071 http://rhn.redhat.com/errata/RHSA-2012-0071.html http://www.securitytracker.com/id?1026473 http://secunia.com/advisories/47404 http://secunia.com/advisories/48668 SuSE Security Announcement: SUSE-SU-2012:0411 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00013.html SuSE Security Announcement: openSUSE-SU-2012:0426 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html XForce ISS Database: php-hash-dos(72021) https://exchange.xforce.ibmcloud.com/vulnerabilities/72021 Common Vulnerability Exposure (CVE) ID: CVE-2012-0788 Common Vulnerability Exposure (CVE) ID: CVE-2012-0789
Copyright	Copyright (C) 2012 Greenbone AG

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