National Vulnerability Database (NVD) National Vulnerability Database (CVE-2012-0876)

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NVD is the U.S. government repository of standards based vulnerability management data. This data enables automation of vulnerability management, security measurement, and compliance (e.g. FISMA).

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NVD contains:

CVE Vulnerabilities: 56457
Checklists: 221
US-CERT Alerts: 246
US-CERT Vuln Notes: 2721
OVAL Queries: 8140
CPE Names: 73311

Last updated: Sun May 26 03:52:08 EDT 2013

CVE Publication rate: 11.83

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Vulnerability Workload Index: 6.21

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NVD is a product of the NIST Computer Security Division and is sponsored by the Department of Homeland Security's National Cyber Security Division. It supports the U.S. government multi-agency (OSD, DHS, NSA, DISA, and NIST) Information Security Automation Program. It is the U.S. government content repository for the Security Content Automation Protocol (SCAP).

NIST Security Configuration Checklists - CSD

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Vulnerability Summary for CVE-2012-0876

Original release date:07/03/2012

Last revised:05/15/2013

Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:4.3 (MEDIUM) (AV:N/AC:M/Au:N/C:N/I:N/A:P) (legend)

Impact Subscore: 2.9

Exploitability Subscore: 8.6

CVSS Version 2 Metrics:

Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism

Access Complexity: Medium

Authentication: Not required to exploit

Impact Type:Allows disruption of serviceUnknown

References to Advisories, Solutions, and Tools

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External Source: UBUNTU

Name: USN-1613-2

Hyperlink:http://www.ubuntu.com/usn/USN-1613-2

External Source: UBUNTU

Name: USN-1613-1

Hyperlink:http://www.ubuntu.com/usn/USN-1613-1

External Source: UBUNTU

Name: USN-1527-1

Hyperlink:http://www.ubuntu.com/usn/USN-1527-1

External Source: MANDRIVA

Name: MDVSA-2012:041

Hyperlink:http://www.mandriva.com/security/advisories?name=MDVSA-2012:041