oss-security - Re: CVE Request: gdk-pixbuf: Additional fixes to protect against overlows in pixops

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Message-ID: <20160516075324.GA10354@eldamar.local>
Date: Mon, 16 May 2016 09:53:24 +0200
From: Salvatore Bonaccorso <carnil@...ian.org>
To: oss-security@...ts.openwall.com
Cc: CVE Assignments MITRE <cve-assign@...re.org>
Subject: Re: CVE Request: gdk-pixbuf: Additional fixes to
 protect against overlows in pixops_* functions (similar to CVE-2015-7674)

Hi,

On Thu, May 12, 2016 at 11:23:02AM +0200, Salvatore Bonaccorso wrote:
> Hi
> 
> CVE-2015-7674, an interger overflow flaw in the pixops_scale_nearest
> function, was fixed by
> 
> https://git.gnome.org/browse/gdk-pixbuf/commit/?id=e9a5704edaa9aee9498f1fbf6e1b70fcce2e55aa
> 
> There is another commit in the gdk-pixbuf repository to fix overflows
> in the pixops_composite_nearest, pixops_composite_color_nearest and
> pixops_process functions:
> 
> https://git.gnome.org/browse/gdk-pixbuf/commit/?id=dbfe8f70471864818bf458a39c8a99640895bd22
> 
> Can you aassing an additional CVE for this since the scope for
> CVE-2015-7674 was for the pixops_scale_nearest function?

I realise I did not made that clear: The two commits were not fixed in
the same release, the initial one resulting in CVE-2015-7674 is
contained in 2.32.1, wereas the second commit came later in 2.33.1.

Regards,
Salvatore

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