Hi Bob,

https://bugzilla.redhat.com/show_bug.cgi?id=492353

But the report is wrong. The bug (if any) was affecting only monochrome
profiles used in the output direction so there is no way to (as the report
says) "use this flaw to create a specially-crafted image, which could cause
an
application using LittleCMS to crash, leading to a denial of service".

Well, It is hard for me to imagine a way to trick any user to:

- Use a monchrome monitor instead of the brand new TFT color he already has.
- Download and install a crafted profile for that monocrome monitor.

The effect of that would be to make fun of the upset user that would see
gimp crashing when trying to display images on that ridiculous
configuration. That's all since no code injection was possible. Oh, wait,
gimp doesn't support monochrome monitors at all. 

Anyway, lcms-1.19 has it fixed if you care.

Regards
Marti


Original Message:
-----------------
From: Bob Friesenhahn bfrie...@simple.dallas.tx.us
Date: Wed, 12 Jan 2011 10:20:54 -0600 (CST)
To: lcms-user@lists.sourceforge.net
Subject: [Lcms-user] CVE-2009-0073?


I see that Ubuntu Linux just released patched lcms 1.18 binaries for 
CVE-2009-0073 
(http://cve.mitre.org/cgi-bin/cvename.cgi?name=2009-0073) whcih 
supposedly is about lcms.

This is what the Ubuntu's update tool says about the patch:

   * debian/patches/CVE-2009-0793.dpatch: SECURITY UPDATE: (LP: #700198)
     - Fix DoS via a crafted image that triggers execution of incorrect
       code for "transformations of monochrome profiles."
     - CVE-2009-0073

Can anyone share the details of this so that we can make sure that the 
lcms we bundle in our applications is secure?

Thanks,

Bob
-- 
Bob Friesenhahn
bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/

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