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Vulnerability Details : CVE-2012-0876

The XML parser (xmlparse.c) in expat before 2.1.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via an XML file with many identifiers with the same value.
Publish Date : 2012-07-03 Last Update Date : 2021-07-31
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 399

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
AV:N/AC:L/Au:N/C:N/I:N/A:P 2012-01-16 2012-03-03
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- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2012:0731: expat security update (Moderate) oval:org.mitre.oval:def:23336 unix
DEPRECATED: ELSA-2012-0731 -- expat security update (moderate) oval:org.mitre.oval:def:27196 unix
DSA-2525-1 expat - several oval:org.mitre.oval:def:20103 unix
ELSA-2012:0731: expat security update (Moderate) oval:org.mitre.oval:def:23698 unix
RHSA-2012:0731: expat security update (Moderate) oval:org.mitre.oval:def:20541 unix
RHSA-2012:0731: expat security update (Moderate) oval:com.redhat.rhsa:def:20120731 unix
USN-1527-1 -- expat vulnerabilities oval:org.mitre.oval:def:17120 unix
VMware security updates for vSphere API and ESX Service Console oval:org.mitre.oval:def:20396 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2012-0876

# Product Type Vendor Product Version Update Edition Language
1 Application Libexpat Project Libexpat * * * * Version Details Vulnerabilities
2 Application Libexpat Project Libexpat 1.95.1 * * * Version Details Vulnerabilities
3 Application Libexpat Project Libexpat 1.95.2 * * * Version Details Vulnerabilities
4 Application Libexpat Project Libexpat 1.95.4 * * * Version Details Vulnerabilities
5 Application Libexpat Project Libexpat 1.95.5 * * * Version Details Vulnerabilities
6 Application Libexpat Project Libexpat 1.95.6 * * * Version Details Vulnerabilities
7 Application Libexpat Project Libexpat 1.95.7 * * * Version Details Vulnerabilities
8 Application Libexpat Project Libexpat 1.95.8 * * * Version Details Vulnerabilities
9 Application Libexpat Project Libexpat 2.0.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Libexpat Project Libexpat 9

- References For CVE-2012-0876
BID 52379 Expat XML Parsing Multiple Remote Denial of Service Vulnerabilities Release Date:2017-03-27
REDHAT RHSA-2016:0062
APPLE APPLE-SA-2015-12-08-3
APPLE APPLE-SA-2013-10-22-3
MLIST [Expat-discuss] 20120304 Announcement: Expat 2.1.0 Beta can be tested CONFIRM

- Metasploit Modules Related To CVE-2012-0876

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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