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Message-ID: <alpine.GSO.2.20.1705201313250.6623@freddy.simplesystems.org> Date: Sat, 20 May 2017 13:21:52 -0500 (CDT) From: Bob Friesenhahn <bfriesen@...ple.dallas.tx.us> To: oss-security@...ts.openwall.com Subject: Re: Re: ImageMagick: CVE-2017-9098: use of uninitialized memory in RLE decoder On Sat, 20 May 2017, Leo Famulari wrote: > > Chris Evans' report (copied in the email you replied to) says this: > > GraphicsMagick vs. ImageMagick, again. Well, well, look at this :) > GraphicsMagick fixed this issue in March 2016, for the v1.3.24 release, tucked > away in a changeset titled "Fix SourceForge bug #371 "out-of-bounds read in > coders/rle.c:633:39" (see the second memset()). This is another case where tons > of vulnerabilities are being found and fixed in both GraphicsMagick and > ImageMagick with little co-ordination. This seems like a waste of effort and a > risk of 0-day (or is it 1-day?) exposure. It goes both ways: the RLE memory > corruption I referenced in my previous blog post was only fixed in > GraphicsMagick in March 2016, having been previously fixed in ImageMagick in > Dec 2014. There is no co-ordination between the two projects and they have been independent for 15 years already. This in spite of one developer being a member of both projects, and some contributions to GraphicsMagick from heavy ImageMagick contributors. Regardless, it is difficult for someone such as myself to know the possible significance of each of the many issues which are fixed other than obvious issues such as shell exploits and DOS. There is old code which was common at the time of the fork but many issues pertain to newer code which is not common. Bob -- Bob Friesenhahn bfriesen@...ple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
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