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Date: Sat, 30 Nov 2013 01:35:45 +0000
From: George Theall <gtheall@...able.com>
To: "<oss-security@...ts.openwall.com>" <oss-security@...ts.openwall.com>
Subject: Re: CVE request: ClamAV vulnerabilities


On Nov 29, 2013, at 12:58 PM, Kurt Seifried <kseifried@...hat.com> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> On 11/29/2013 02:20 AM, Sergey Popov wrote:
>> It's a bit late, but i would like to request CVE for two 
>> vulnerabilities, that present in ClamAV before 0.97.7[1]:
>> 
>> 1) A double-free error exists within the
>> "unrar_extract_next_prepare()" function
>> (libclamunrar_iface/unrar_iface.c) when parsing a RAR file.
>> 
>> 2) An unspecified error within the "wwunpack()" function 
>> (libclamav/wwunpack.c) when unpacking a WWPack file can be
>> exploited to corrupt heap memory.
>> 
>> [1] - https://secunia.com/advisories/52647/
>> 
> 
> The blog entry
> 
> http://blog.clamav.net/2013/03/clamav-0977-has-been-released.html
> 
> contains no mention of security flaws,

Hrm, at least the copy I see says “ClamAV 0.97.7 addresses several reported potential security bugs.”. While it doesn’t identify the issues per se, it does at least indicate this is a security release. 

Jan Lieskovsky talked about both of these last March — see <http://seclists.org/oss-sec/2013/q1/672>. The double-free was fixed in this commit :

  https://github.com/vrtadmin/clamav-devel/commit/b2212def1bb92b5ac45c82da100dc0d1376de6a3

and the 'wwunpack()’ issue maps to :

 https://bugzilla.clamav.net/show_bug.cgi?id=6806

Hope that helps,

> 
> Also the ChangeLog:
> 
> https://github.com/vrtadmin/clamav-devel/blob/0.97/ChangeLog
> 
> Doesn't contain any mention of the above flaws. Can you provide links
> to source code/bug reports or something so I can verify this? Thanks.
> 
> - -- 
> Kurt Seifried Red Hat Security Response Team (SRT)
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George
-- 
theall@...able.com

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