Date: Wed, 19 Dec 2012 22:43:53 -0700 From: Kurt Seifried <kseifried@...hat.com> To: oss-security@...ts.openwall.com CC: Jan Lieskovsky <jlieskov@...hat.com>, Nicolas Grégoire <nicolas.gregoire@...rri.fr>, "Steven M. Christey" <coley@...us.mitre.org> Subject: Re: CVE request: Inkscape fixes a XXE vulnerability during rasterization of SVG images -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 12/19/2012 03:37 AM, Jan Lieskovsky wrote: > Hi Kurt, Nicolas, vendors, > > ----- Original Message ----- -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 12/18/2012 08:44 PM, Kurt Seifried wrote: >> On 12/17/2012 01:27 PM, Nicolas Grégoire wrote: >> >>> Inkscape is vulnerable to XXE attacks during >>> rasterization/export of SVG images: >>> https://bugs.launchpad.net/inkscape/+bug/1025185 >> >>> Impact: The impact of this vulnerability range form denial of >>> service to file disclosure. Under Windows, it can also be used >>> to steal LM/NTLM hashes. >> >>> PoC: During rasterization, entities declared in the DTD are >>> dereferenced and the content of the target file is included in >>> the output. Command-line used: "inkscape -e xxe-inkscape.png >>> xxe.svg" (PoC files are attached to the ticket) >> >>> References: CWE-827: Improper Control of Document Type >>> Definition http://cwe.mitre.org/data/definitions/827.html >> >>> Regards, Nicolas Grégoire >> >> This already has a CVE reference in the page: >> >> CVE References >> >> 2012-1102 >> >> To clarify that CVE was assigned to >> http://seclists.org/oss-sec/2012/q1/549 >> >> http://seclists.org/oss-sec/2012/q1/549 >> >> so this is probably an error, someone needs to tidy that bug up >> and post links to the source/etc so I can see whats going on. > > That's correct. CVE-2012-1102 has been assigned to the perl > XML-Atom issue. > > Assuming the source of the slight confusion is this comment: > https://bugs.launchpad.net/inkscape/+bug/1025185/comments/13 > > and the CVE id in the references. > > But from the context of that bug, comment c#13 was used just to > reference patch for same issue in perl XML-Atom (CVE-2012-1102) > issue, when searching a patch for inkscape. > > Which later resulted into upstream inkscape commit: > http://bazaar.launchpad.net/~inkscape.dev/inkscape/trunk/revision/11931 > > referenced in (subsequent) comment c#14: > https://bugs.launchpad.net/inkscape/+bug/1025185/comments/14 > > So CVE-2012-1102 identifier is for perl XML-Atom problem. And this > (same XXE problem) being present in inkscape should get a new CVE > id yet. > > Thank you && Regards, Jan. -- Jan iankko Lieskovsky / Red Hat > Security Response Team Please use CVE-2012-5656 for the Inkscape fixes a XXE vulnerability during rasterization of SVG images - -- Kurt Seifried Red Hat Security Response Team (SRT) PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJQ0qWYAAoJEBYNRVNeJnmTbwEQAJo3Kj60JuDW+L/s4X6RHSIm U6qaRb6f44HNnv9ii32HAHvi6XoHkUmsAcvo1tBvCQ33AAx/9CjPMjT4/2WCq/bN faR3Ek+E7IFgIkzbOoQlIJ5DuSqICMJGw409NQRVqPFizXkYh9n0d1uL+OjfKRgo TB/LanpsGXWe9KvGozC8GQw0tbtgwl0G1tJMUtJOZlIK+Mh/Bw3xJJJWewgQpIHT fHNr4mRyHBICXulV0m1R35th2GfAsKKJHLjxyeVuWCV2Zzbos35v08hofamMxztY gANmHdZvEQJ6gQ5x/RMPWN0ZizOxTu7AedqYhQgo0Kb/xWYJOfoFht1kUCKsWikb 49hMRd7Od7swQu1sneyQh+HeN/bVnMFDLivT+/pbIk0i5qUrCDWCH9uHBrH1HPi1 gGNizk3WTtLYxDL39SUZyHGKhixQJzTcmUUEl3Ql3kFqMgmG3L2Hw68T0jX2Sml9 RrTYTdqwT4OmAUBQs2RpNHiAJ7QNTZuJKEKNH+1Fj7Kf7TvQrZ058EjTUT3Nithv FIkmQibNJNL9AA5khqym/FcqxyDMTjzYDtYRp9GTVQJX5TAHOW9mXD+eRdSvgCJ6 6B9BIlkKtc4e9sOwIQaxJUMa8/5QFP4kraYpiF/WW0jU2GLlT7a1RKzkCpLCv8NC e52Jm+jfQNagLx2lLpBF =0R76 -----END PGP SIGNATURE-----
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