Date: Sun, 21 Nov 2010 19:19:39 -0500 From: Dan Rosenberg <dan.j.rosenberg@...il.com> To: oss-security@...ts.openwall.com Subject: Re: CVE Request: gif2png: command-line buffer overflow problem How could this possibly be exploited? If you can trick a user into running gif2png [exploit payload], then that user has already lost. See also: make `perl -e 'print "A"x10000'` -Dan On Sun, Nov 21, 2010 at 6:45 PM, Kurt Seifried <kurt@...fried.org> wrote: > This is from 2009 but doesn't appear to have a CVE (no "gif2png" in > the CVE database). > > Sources: > https://bugzilla.redhat.com/show_bug.cgi?id=547515 > http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550978 > http://lists.grok.org.uk/pipermail/full-disclosure/2009-December/072009.html > > Description: > A buffer overflow in gif2png 2.5.3 and earlier allows an attacker to > execute arbitrary code via a long command line argument passed to the > gif2png binary. > > It was first claimed that it was fixed in 2.5.2 but it is reported > that it isn't fixed, I tested 2.5.3 and it still seg faults the same > way as 2.5.2 so it would appear it was never fixed, as the software > was last updated in 2005 I guess this one never gets fixed. > > -- > Kurt Seifried > kurt@...fried.org > tel: 1-703-879-3176 >
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