Ubuntu 8.04 LTS / 9.04 / 9.10 / 10.04 LTS / 10.10 : nss vulnerabilities (USN-1007-1)

Ubuntu Security Notice (C) 2010-2016 Canonical, Inc. / NASL script (C) 2010-2016 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing one or more security-related
patches.

Description :

Richard Moore discovered that NSS would sometimes incorrectly match an
SSL certificate which had a Common Name that used a wildcard followed
by a partial IP address. While it is very unlikely that a Certificate
Authority would issue such a certificate, if an attacker were able to
perform a man-in-the-middle attack, this flaw could be exploited to
view sensitive information. (CVE-2010-3170)

Nelson Bolyard discovered a weakness in the Diffie-Hellman Ephemeral
mode (DHE) key exchange implementation which allowed servers to use a
too small key length. (CVE-2010-3173).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 6.5
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 50081 ()

Bugtraq ID: 42817

CVE ID: CVE-2010-3170
CVE-2010-3173

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