Resource management error in libxslt - CVE-2012-2870

 

Resource management error in libxslt - CVE-2012-2870

Published: August 31, 2012 / Updated: August 3, 2020


Vulnerability identifier: #VU33319
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-2870
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

libxslt 1.1.26 and earlier, as used in Google Chrome before 21.0.1180.89, does not properly manage memory, which might allow remote attackers to cause a denial of service (application crash) via a crafted XSLT expression that is not properly identified during XPath navigation, related to (1) the xsltCompileLocationPathPattern function in libxslt/pattern.c and (2) the xsltGenerateIdFunction function in libxslt/functions.c.


Affected software

libxslt
libxslt (Alpine package)

How to mitigate CVE-2012-2870

Install update from vendor's website.

libxslt - update to 1.1.27
libxslt (Alpine package) - update to 1.1.27-r0

External References

Related Security Bulletins