Mandriva Linux Security Advisory : bzr (MDVSA-2013:229)

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


Synopsis :

The remote Mandriva Linux host is missing a security update.

Description :

Updated bzr packages fix security vulnerabilities :

A denial of service flaw was found in the way SSL module
implementation of Python 3 performed matching of the certificate's
name in the case it contained many '*' wildcard characters. A remote
attacker, able to obtain valid certificate with its name containing a
lot of '*' wildcard characters could use this flaw to cause denial of
service (excessive CPU consumption) by issuing request to validate
such a certificate for / to an application using the Python's
ssl.match_hostname() functionality (CVE-2013-2099).

See also :

http://advisories.mageia.org/MGASA-2013-0252.html

Solution :

Update the affected bzr package.

Risk factor :

Medium / CVSS Base Score : 4.3
(CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 3.7
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: Mandriva Local Security Checks

Nessus Plugin ID: 69842 ()

Bugtraq ID: 59877

CVE ID: CVE-2013-2099

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