oss-security - Re: [vendor-sec] Re: Re: libxml2 denial of service flaw (CVE-2008-3281)

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Message-ID: <8763pp7ykw.fsf@mid.deneb.enyo.de>
Date: Mon, 25 Aug 2008 20:13:03 +0200
From: Florian Weimer <fw@...eb.enyo.de>
To: oss-security@...ts.openwall.com
Subject: Re: [vendor-sec] Re: Re: libxml2 denial of service flaw (CVE-2008-3281)

* Vincent Danen:

> Does anyone know if this affects anything other than librsvg?

It's unclear if struct xmlEntity (especially its external allocation) is
part of the public API or not.

liferea 1.4.16b has this:

  src/xml.c:                    entity = (xmlEntityPtr)g_new0 (xmlEntity, 1);

PHP 5.2.6 has this:

  ext/dom/dom_iterators.c:61:      ret = (xmlEntityPtr) xmlMalloc(sizeof(xmlEntity));
  ext/dom/dom_iterators.c:62:      memset(ret, 0, sizeof(xmlEntity));

QT 4.4.0 has this (with an instructive comment in front of it):

  src/3rdparty/webkit/WebCore/dom/XMLTokenizer.cpp:static xmlEntity sharedXHTMLEntity = {

(This is not the result of an exhaustive search.)

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