bugtraq - [ MDVSA-2013:009 ] libssh

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Date: Sat, 09 Feb 2013 13:39:00 +0100
From: security@...driva.com
To: bugtraq@...urityfocus.com
Subject: [ MDVSA-2013:009 ] libssh

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 _______________________________________________________________________

 Mandriva Linux Security Advisory                         MDVSA-2013:009
 http://www.mandriva.com/security/
 _______________________________________________________________________

 Package : libssh
 Date    : February 9, 2013
 Affected: 2011.
 _______________________________________________________________________

 Problem Description:

 A vulnerability has been found and corrected in libssh:
 
 The publickey_from_privatekey function in libssh before 0.5.4, when
 no algorithm is matched during negotiations, allows remote attackers
 to cause a denial of service (NULL pointer dereference and crash)
 via a Client: Diffie-Hellman Key Exchange Init packet (CVE-2013-0176).
 
 The updated packages have been upgraded to the 0.5.4 version which
 is not affected by this issue.
 _______________________________________________________________________

 References:

 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0176
 http://www.libssh.org/2013/01/22/libssh-0-5-4-security-release/
 _______________________________________________________________________

 Updated Packages:

 Mandriva Linux 2011:
 6b77e873216ebd5f4d724c64456c37ad  2011/i586/libssh4-0.5.4-0.1-mdv2011.0.i586.rpm
 a5391c1fccb103b2ebf01a93b1b1d314  2011/i586/libssh-devel-0.5.4-0.1-mdv2011.0.i586.rpm 
 6aa21578dc71b57b560098295ac54967  2011/SRPMS/libssh-0.5.4-0.1.src.rpm

 Mandriva Linux 2011/X86_64:
 701b17b035ae086c363971be3619db4d  2011/x86_64/lib64ssh4-0.5.4-0.1-mdv2011.0.x86_64.rpm
 8300186fa57ddc710be45902dd590e5f  2011/x86_64/lib64ssh-devel-0.5.4-0.1-mdv2011.0.x86_64.rpm 
 6aa21578dc71b57b560098295ac54967  2011/SRPMS/libssh-0.5.4-0.1.src.rpm
 _______________________________________________________________________

 To upgrade automatically use MandrivaUpdate or urpmi.  The verification
 of md5 checksums and GPG signatures is performed automatically for you.

 All packages are signed by Mandriva for security.  You can obtain the
 GPG public key of the Mandriva Security Team by executing:

  gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

 You can view other update advisories for Mandriva Linux at:

  http://www.mandriva.com/security/advisories

 If you want to report vulnerabilities, please contact

  security_(at)_mandriva.com
 _______________________________________________________________________

 Type Bits/KeyID     Date       User ID
 pub  1024D/22458A98 2000-07-10 Mandriva Security Team
  <security*mandriva.com>
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