Date: Mon, 17 Nov 2014 19:38:51 +0300 From: Alexander Cherepanov <cherepan@...me.ru> To: oss-security@...ts.openwall.com Subject: Re: Fuzzing findings (and maybe CVE requests) - Image/GraphicsMagick, elfutils, GIMP, gdk-pixbuf, file, ndisasm, less On 2014-11-17 16:52, Jakub Wilk wrote: > * Hanno Böck <hanno@...eck.de>, 2014-11-17, 13:33: >> I wasn't able to fuzz a crash out of 7z, arj, msgunfmt (gettext), > > https://bugs.debian.org/763820 > https://bugs.debian.org/769901 > > I don't remember the exact details, but I'm pretty sure it took at most > a few hours of afl-fuzzing to find these crashers. Everybody wants to play with a shiny new toys but old ones are also good sometimes: $ printf 'msgid "a"\nmsgstr "b"' > test.po $ msgfmt test.po -o test.mo $ time zzuf -qcs: msgunfmt test.mo zzuf[s=93318,r=0.004]: signal 11 (SIGSEGV) real 6m30.636s user 0m1.212s sys 0m14.853s Actually, afl-fuzz found a crash in it in 1 min 33 sec. -- Alexander Cherepanov
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