oss-security - Re: CVE request: three additional flaws fixed in putty 0.63

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Message-ID: <52018A89.6020206@redhat.com>
Date: Tue, 06 Aug 2013 17:45:13 -0600
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
CC: Vincent Danen <vdanen@...hat.com>
Subject: Re: CVE request: three additional flaws fixed in putty
 0.63

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On 08/06/2013 01:56 PM, Vincent Danen wrote:
> There seem to be some CVEs needed for putty 0.63 due to some other
> fixes that were fixed alongside CVE-2013-4852:
> 
> 
> * a heap-corrupting buffer underrun bug in the modmul function
> which performs modular multiplication: 
> http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-modmul.html
>
> 
http://svn.tartarus.org/sgt?view=revision&sortby=date&revision=9977

Please use CVE-2013-4206 for this issue.

> * A buffer overflow vulnerability in the calculation of modular
> inverses when verifying a DSA signature: 
> http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-bignum-division-by-zero.html
>
>  
> http://svn.tartarus.org/sgt?view=revision&sortby=date&revision=9996

Please
> 
use CVE-2013-4207 for this issue.

> * Private keys left in memory after being used by PuTTY tools: 
> http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/private-key-not-wiped.html
>
>  
> http://svn.tartarus.org/sgt?view=revision&sortby=date&revision=9988

Please
> 
use CVE-2013-4208 for this issue.

> 
> I can't see any CVE references so I suspect there are none.
> 


- -- 
Kurt Seifried Red Hat Security Response Team (SRT)
PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993
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