CVE-2013-4520

Public Exploit

Description

xslt.c in libxslt before 1.1.25 allows context-dependent attackers to cause a denial of service (crash) via a stylesheet that embeds a DTD, which causes a structure to be accessed as a different type. NOTE: this issue is due to an incomplete fix for CVE-2012-2825.

4.3

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 0.50%

Vendor Advisory suse.com Vendor Advisory suse.com Vendor Advisory secunia.com

Affected: n/a n/a

References

Link	Tags
http://seclists.org/oss-sec/2013/q4/239	mailing list patch
https://gitorious.org/libxslt/libxslt/commit/7089a62b8f133b42a2981cf1f920a8b3fe9a8caa	patch exploit
https://www.suse.com/support/update/announcement/2013/suse-su-20131654-1.html	vendor advisory
https://www.suse.com/support/update/announcement/2013/suse-su-20131656-1.html	vendor advisory
http://secunia.com/advisories/56072	third party advisory vendor advisory
https://bugzilla.novell.com/show_bug.cgi?id=849019	patch exploit
http://www.osvdb.org/99671	vdb entry
http://seclists.org/oss-sec/2013/q4/238	mailing list patch

Frequently Asked Questions

What is the severity of CVE-2013-4520?: CVE-2013-4520 has been scored as a medium severity vulnerability.
How to fix CVE-2013-4520?: To fix CVE-2013-4520, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-4520 being actively exploited in the wild?: It is possible that CVE-2013-4520 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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