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Date: Sun, 5 Aug 2012 23:27:45 +0000
From: Charlie Miller <>
To: Kurt Seifried <>
CC: "<>" <>,
        "Jorge Manuel B. S. Vicetto" <>
Subject: Re: CVE request for Calligra

Hi Kurt.  

Yes, sorry I didn't report directly to the correct people.  I only knew that the vulnerability existed for sure in the Nokia Documents app and also in the version of Koffice I happen to have on my system.  I didn't know what library it was in (I'd never even heard of Calligra), if it was already known about upstream, what other software depend on this library, etc.  As you're probably aware, it can be a very time consuming process to try to get that stuff sorted out, so I just report it to the vendor and let them deal with these issues.  In that spirit, I reported to Nokia early last month.  As for your questions, I have not asked for CVE's for any of these vulnerabilities.  Feel free to request them yourselves.  I believe the only vulnerability I know enough details about to say is a security issue is the one in the document about parsing word documents.  I hope that clears up any questions you might have.  Thanks!


On Aug 5, 2012, at 3:25 PM, Kurt Seifried wrote:

> Hash: SHA1
> On 08/05/2012 09:06 AM, Jorge Manuel B. S. Vicetto wrote:
>> Hi.
>> On Sat, Aug 4, 2012 at 4:58 PM, Jeff Mitchell <>
>> wrote:
>>> On 08/04/2012 11:56 AM, Agostino Sarubbo wrote:
>>>> On Saturday 04 August 2012 11:44:33 Jeff Mitchell wrote:
>>>>> What commit code do you want?
>>>> Please post the diff between the vulnerable code and the fix so
>>>> we are sure that is a security issue.
>>> Hi,
>>> You can read all about the details of the vulnerability in the
>>> Black Hat 2012 presentation by Charlie Miller 
>>> (
> - -- details of the Calligra (and KOffice) exploit start at page 39.
>>> Unfortunately, he did not notify us ahead of time of his intent
>>> to disclose, so it's already public.
> I suspect he may not have known about it (this is the first time I can
> remember hearing of Calligra). Trying to keep track of all possible
> project forks is pretty much impossible in the modern Open Source world.
> Charlie 1): have you requested CVE #'s for this issue for Koffice?
> Charlie 2): it appears there are quite a few other security issues in
> the presentation, are they in open source components, if yes can you
> please send a CVE request(s) for the issue to oss-security@ so I can
> assign CVE's for them? Thanks.
> Once Charlie replies (either way) I'll assign CVE's.
>>> Thanks, Jeff
>> As reported by Thorsten Zachmann to the kde-packagers ml, here are
>> the commit ids:
>> The commit IDs for master is 
>> 8652ab672eaaa145dfb3782f5011de58aa4cc046 
>> The commit ID for calligra/2.5 is 
>> f04d585ca1d3ee27f125d0129a23ca7b7850902d 
>> The commit ID for calligra/2.4 is 
>> 7d72f7dd8d28d18c59a08a7d43bd4e0654043103 
>> Regards,
>> Jorge Manuel B. S. Vicetto
> - -- 
> Kurt Seifried Red Hat Security Response Team (SRT)
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