CVE-2013-1969: Buffer Overflow
First published: Thu Apr 25 2013(Updated: )
Multiple use-after-free vulnerabilities in libxml2 2.9.0 and possibly other versions might allow context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to the (1) htmlParseChunk and (2) xmldecl_done functions, as demonstrated by a buffer overflow in the xmlBufGetInputBase function.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| libxml2-devel | =2.9.0 |
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Reference Links
- http://lists.opensuse.org/opensuse-updates/2013-04/msg00109.html
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00081.html
- http://secunia.com/advisories/53061
- http://www.openwall.com/lists/oss-security/2013/04/17/4
- http://www.openwall.com/lists/oss-security/2013/04/19/1
- http://www.ubuntu.com/usn/USN-1817-1
- https://bugzilla.gnome.org/show_bug.cgi?id=690202
- https://git.gnome.org/browse/libxml2/commit/?id=de0cc20c29cb3f056062925395e0f68d2250a46f
Frequently Asked Questions
What is the severity of CVE-2013-1969?
CVE-2013-1969 is considered a high severity vulnerability as it can lead to denial of service and potentially allow arbitrary code execution.
How do I fix CVE-2013-1969?
To fix CVE-2013-1969, update libxml2 to version 2.9.1 or later where the vulnerabilities have been addressed.
What vulnerabilities are associated with CVE-2013-1969?
CVE-2013-1969 includes multiple use-after-free vulnerabilities in the htmlParseChunk and xmldecl_done functions.
Can CVE-2013-1969 be exploited remotely?
Yes, context-dependent attackers may exploit CVE-2013-1969 remotely, potentially leading to a system crash or code execution.
Which versions of libxml2 are affected by CVE-2013-1969?
Libxml2 version 2.9.0 is specifically affected by CVE-2013-1969, along with possibly other versions.
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