SB2013041302 - Input validation error in libxslt for Libxml2

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Main Vulnerability Database SB2013041302

SB2013041302 - Input validation error in libxslt for Libxml2

Published: April 13, 2013 Updated: July 28, 2020

Security Bulletin ID SB2013041302
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2012-6139)

The vulnerability allows remote attackers to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (NULL pointer dereference and crash) via an (1) empty match attribute in a XSL key to the xsltAddKey function in keys.c or (2) uninitialized variable to the xsltDocumentFunction function in functions.c.


Remediation

Install update from vendor's website.

References