BugTraq
[ MDVSA-2013:009 ] libssh Feb 09 2013 12:39PM
security mandriva com
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Mandriva Linux Security Advisory MDVSA-2013:009
http://www.mandriva.com/security/
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Package : libssh
Date : February 9, 2013
Affected: 2011.
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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.
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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/
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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
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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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