Resource management error in libxslt - CVE-2012-2870
Published: August 31, 2012 / Updated: August 3, 2020
Vulnerability identifier: #VU33319
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2012-2870
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Gnome Development Team
Affected software:
libxslt
libxslt
Detailed vulnerability description
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.
How to mitigate CVE-2012-2870
Install update from vendor's website.
Sources
- http://code.google.com/p/chromium/issues/detail?id=138672
- http://code.google.com/p/chromium/issues/detail?id=140368
- http://googlechromereleases.blogspot.com/2012/08/stable-channel-update_30.html
- http://lists.apple.com/archives/security-announce/2013/Oct/msg00009.html
- http://lists.apple.com/archives/security-announce/2013/Sep/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00030.html
- http://secunia.com/advisories/50838
- http://secunia.com/advisories/54886
- http://src.chromium.org/viewvc/chrome/trunk/src/third_party/libxslt/libxslt/functions.c?r1=75684&r2=149998
- http://src.chromium.org/viewvc/chrome/trunk/src/third_party/libxslt/libxslt/functions.c?view=log
- http://src.chromium.org/viewvc/chrome/trunk/src/third_party/libxslt/libxslt/pattern.c?r1=118654&r2=150123
- http://src.chromium.org/viewvc/chrome/trunk/src/third_party/libxslt/libxslt/pattern.c?view=log
- http://support.apple.com/kb/HT5934
- http://support.apple.com/kb/HT6001
- http://www.debian.org/security/2012/dsa-2555
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:164
- https://chromiumcodereview.appspot.com/10823168
- https://chromiumcodereview.appspot.com/10830177