oss-security - CVE Request: additional fix for CVE-2012-2825 libxslt crash

Follow @Openwall on Twitter for new release announcements and other news

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date: Tue, 5 Nov 2013 13:50:09 +0100
From: Marcus Meissner <meissner@...e.de>
To: OSS Security List <oss-security@...ts.openwall.com>
Subject: CVE Request: additional fix for CVE-2012-2825 libxslt crash

Hi,

Our QA found that the reproducer in CVE-2012-2825 (magic.xsl and magic.xml)
also expose another libxslt crash in older libxslt versions.

https://bugzilla.novell.com/show_bug.cgi?id=849019

This bug was fixed in libxslt 1.1.25 with this commit:
https://gitorious.org/libxslt/libxslt/commit/7089a62b8f133b42a2981cf1f920a8b3fe9a8caa

commit 7089a62b8f133b42a2981cf1f920a8b3fe9a8caa
Author: Martin <gzlist@...glemail.com>
Date:   Wed Sep 16 19:02:16 2009 +0200

    Crash compiling stylesheet with DTD

    * libxslt/xslt.c: when a stylesheet embbeds a DTD the compilation
      process could get seriously wrong

Crash as a xmlDtd struct is accessed as a xmlNode, not really attacker controllable
I would say, but a denial of service (crash).

Ciao, Marcus

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.