Mandriva Linux Security Advisory : libssh (MDVSA-2013:009)

This script is Copyright (C) 2013 Tenable Network Security, Inc.


Synopsis :

The remote Mandriva Linux host is missing one or more security
updates.

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.

See also :

http://www.libssh.org/2013/01/22/libssh-0-5-4-security-release/

Solution :

Update the affected packages.

Risk factor :

Medium / CVSS Base Score : 4.3
(CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 3.2
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: Mandriva Local Security Checks

Nessus Plugin ID: 64551 ()

Bugtraq ID: 57571

CVE ID: CVE-2013-0176

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