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5
CVSSv2

CVE-2012-0841

Published: 21/12/2012 Updated: 13/02/2023
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
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Vulnerability Summary

libxml2 prior to 2.8.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent malicious users to cause a denial of service (CPU consumption) via crafted XML data.

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Vendor Advisories

Red Hat: Moderate: libxml2 security update
Synopsis Moderate: libxml2 security update Type/Severity Security Advisory: Moderate Topic Updated libxml2 packages that fix one security issue are now available forRed Hat Enterprise Linux 5 and 6The Red Hat Security Response Team has rated this update as having moderatesecurity impact A Common Vulnerabi ...
Debian CVElist Bug Report Logs: libxml2: CVE-2012-0841 computational DoS attack via hash collisions
Debian Bug report logs - #660846 libxml2: CVE-2012-0841 computational DoS attack via hash collisions Package: src:libxml2; Maintainer for src:libxml2 is Debian XML/SGML Group <debian-xml-sgml-pkgs@listsaliothdebianorg>; Reported by: Nico Golde <nion@debianorg> Date: Wed, 22 Feb 2012 10:01:26 UTC Severity: grave T ...
Ubuntu Security Notice: libxml2 vulnerability
libxml2 could be made to cause a denial of service by consuming excessive CPU resources ...
Amazon Linux AMI: ALAS-2012-052
It was found that the hashing routine used by libxml2 arrays was susceptible to predictable hash collisions Sending a specially-crafted message to an XML service could result in longer processing time, which could lead to a denial of service To mitigate this issue, randomization has been added to the hashing function to reduce the chance of an at ...

References

CWE-399https://blogs.oracle.com/sunsecurity/entry/cve_2012_0841_denial_ofhttp://git.gnome.org/browse/libxml2/commit/?id=8973d58b7498fa5100a876815476b81fd1a2412ahttp://www.openwall.com/lists/oss-security/2012/02/22/1http://securitytracker.com/id?1026723http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=660846http://www.debian.org/security/2012/dsa-2417http://rhn.redhat.com/errata/RHSA-2012-0324.htmlhttp://xmlsoft.org/news.htmlhttp://www.securityfocus.com/bid/52107http://rhn.redhat.com/errata/RHSA-2013-0217.htmlhttp://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.htmlhttp://www.xerox.com/download/security/security-bulletin/16287-4d6b7b0c81f7b/cert_XRX13-003_v1.0.pdfhttp://support.apple.com/kb/HT5934http://lists.apple.com/archives/security-announce/2013/Sep/msg00006.htmlhttp://secunia.com/advisories/54886http://www.mandriva.com/security/advisories?name=MDVSA-2013:150http://lists.apple.com/archives/security-announce/2013/Oct/msg00009.htmlhttp://lists.opensuse.org/opensuse-security-announce/2013-11/msg00002.htmlhttp://secunia.com/advisories/55568http://support.apple.com/kb/HT6001https://access.redhat.com/errata/RHSA-2012:0324https://usn.ubuntu.com/1376-1/https://nvd.nist.gov
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