oss-security - Re: CVE assignment: ghostscript stack-based overflow

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Message-ID: <1149330074.1720141274204106981.JavaMail.root@zmail01.collab.prod.int.phx2.redhat.com>
Date: Tue, 18 May 2010 13:35:06 -0400 (EDT)
From: Josh Bressers <bressers@...hat.com>
To: oss-security@...ts.openwall.com
Cc: "Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE assignment: ghostscript stack-based overflow

----- "Dan Rosenberg" <dan.j.rosenberg@...il.com> wrote:

> CVE request for the second issue described in this advisory, just
> published:
> 
> http://seclists.org/fulldisclosure/2010/May/134
> 
> quote:
> 
> GhostScript (all tested versions) fails to properly handle infinitely
> recursive procedure invocations.  By providing a PostScript file with a
> sequence such as:
> 
> /A{pop 0 A 0} bind def
> /product A 0
> 
> the interpreter's internal stack will be overflowed with recursive calls,
> at which point execution will jump to an attacker-controlled address.
> This vulnerability can be exploited by enticing a user to open a
> maliciously crafted PostScript file, achieving arbitrary code execution.
> This issue has not yet been assigned a CVE identifier.
> 

Use CVE-2010-1628 for this one.

Thanks.

-- 
    JB

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