[prev in list] [next in list] [prev in thread] [next in thread] 

List:       oss-security
Subject:    Re: [oss-security] tor DoS via SENDME cells
From:       Kurt Seifried <kseifried () redhat ! com>
Date:       2012-11-26 18:43:43
Message-ID: 50B3B85F.70806 () redhat ! com
[Download RAW message or body]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 11/26/2012 09:48 AM, Vincent Danen wrote:
> I've not seen a CVE for this yet, could one get assigned?
> 
> It was reported that Tor suffered from a denial of service 
> vulnerability due to an error when handling SENDME cells.  This
> could be exploited to cause excessive consumption of memory
> resources within an entry node.
> 
> This is fixed in upstream version 0.2.3.25.
> 
> References:
> 
> https://secunia.com/advisories/51329/ 
> https://trac.torproject.org/projects/tor/ticket/6252 
> https://gitweb.torproject.org/arma/tor.git/commitdiff/b9b54568c0bb64c32bd0b362954bdbc8c1234b16
>
>  https://bugzilla.redhat.com/show_bug.cgi?id=880310 
> https://bugs.gentoo.org/show_bug.cgi?id=444804
> 
> Thanks.

Please use Please use CVE-2012-5573 for this issue. for this issue.

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

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.12 (GNU/Linux)
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=3Xlf
-----END PGP SIGNATURE-----
[prev in list] [next in list] [prev in thread] [next in thread] 

Configure | About | News | Add a list | Sponsored by KoreLogic