Ubuntu 12.04 LTS / 12.10 / 13.04 : ruby1.8, ruby1.9.1 vulnerability (USN-1902-1)

Ubuntu Security Notice (C) 2013-2016 Canonical, Inc. / NASL script (C) 2013-2016 Tenable Network Security, Inc.


Synopsis :

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

Description :

William (B.J.) Snow Orvis discovered that Ruby incorrectly verified
the hostname in SSL certificates. An attacker could trick Ruby into
trusting a rogue server certificate, which was signed by a trusted
certificate authority, to perform a man-in-the-middle attack.

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 :

Medium / CVSS Base Score : 6.8
(CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 5.6
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 67224 ()

Bugtraq ID: 60843

CVE ID: CVE-2013-4073