[poppler] A few vulnerabilitiess in libpoppler

Hib Eris hib at hiberis.nl
Mon Nov 22 05:13:48 PST 2010


On Sun, Nov 21, 2010 at 11:21 PM, Albert Astals Cid <aacid at kde.org> wrote:
> A Dijous, 21 d'octubre de 2010, Robert Święcki va escriure:
>> Hi,
>> I was recently fuzzing libpoppler and found lots of crashes in it.
>> Some of them are of lesser importance, some look more serious. The
>> archive is here:
>> http://alt.swiecki.net/j/poppler_2010.10.20.tgz
>> I tested it with Ubuntu's pdftoppm from poppler-utils_0.12.4-0ubuntu5
>> package on a 64bit system.
> The master branch should have all of these files fixed that were poppler
> fault, there are still some jpeg2k crashes in openjpeg.
> There is one file that doesn't crash per se but exhausts the computer memory
> (and then crashes :D)
> Hib it is doing mad allocations in your new code in Hints.cc, could you have a
> look at it, it is
> SIGSEGV.PC.0x7ffff7af2936.CODE.1.ADDR.(nil).INSTR.mov_rax,_[rdi].pdf
> Albert

Here is a patch for this.


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