Date: Sat, 22 Nov 2014 21:15:21 +0100 From: Bastien ROUCARIES <roucaries.bastien@...il.com> To: oss-security@...ts.openwall.com Subject: Re: Stack smashing in libjpeg-turbo On Thu, Nov 6, 2014 at 10:27 PM, Bastien ROUCARIES <roucaries.bastien@...il.com> wrote: > Hi, > > Passing special crafted jpeg file to imagemagick (convert -rotate 270 > 003632r270.jpg junk.jpg) could lead to stack smashing in libjpeg.so.62 > (libjpeg-turbo). > > This bug is triggered by setting the optimize coding member of the > JPEG initialization structure to TRUE. If this flag set it to FALSE, > ImageMagick completes without complaint. > > Wokarround could consist to turn off compression optimization in > imagemagick to prevent the stack smash. > > Please assing me CVE and make a cc to 768369@...s.debian.org. We get a reduced test case that does not need imagemagick. The bug lie in libjpeg-turbo. Upstream is investigating > > Bastien
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