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Date: Sun, 24 Jul 2022 10:35:04 +0700
From: Pedro Ribeiro <pedrib@...il.com>
To: oss-security@...ts.openwall.com
Subject: Re: CVE Request: heap buffer overflow in gdk-pixbuf


> On 24 Jul 2022, at 01:08, John Helmert III <ajak@...too.org> wrote:
> 
> ´╗┐On Sat, Jul 23, 2022 at 07:35:42PM +0700, Pedro Ribeiro wrote:
>> Hi,
>> 
>> A year ago I found and submitted a vulnerability to the gdk-pixbuf tracker:
>> https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/190
>> 
>> It's a heap buffer overflow using a crafted GIF, which is likely 
>> exploitable in 32 bit systems. Full details are in the link above in the 
>> bug tracker.
>> 
>> This was patched and the fix was merged 8 months ago as seen here:
>> https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/merge_requests/121
>> 
>> The issue is now public, but since no CVE was attributed, it probably is 
>> not being considered as a problem for downstream users of the package.
>> 
>> As of today, the latest Debian stable package is affected by this 
>> vulnerability. Using a GNOME file system browser and browsing to that 
>> folder will cause a crash, as will opening it up in a GNOME image viewer 
>> and even attempting to load it in Chromium (should have submitted to 
>> them for a bounty :D).
>> 
>> Hence I'd like to get a CVE to raise awareness for this issue, so that 
>> downstream users of the package can get patched.
>> 
>> Thanks and regards,
>> Pedro Ribeiro
> 
> Hi, according to the oss-security Openwall wiki page [1], CVEs need to
> be requested via MITRE's web form [2].
> 
> [1] https://oss-security.openwall.org/wiki/mailing-lists/oss-security
> [2] https://cveform.mitre.org/

Hi John,

Thanks for the info, will request via the form and post here again once I have a CVE number. In any case I hope this post is useful to raise awareness of the issue to distro maintainers.

Regards 
Pedro 


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