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

Ubuntu Security Notice (C) 2013 Canonical, Inc. / NASL script (C) 2013 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.

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 : 5.9
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 67224 ()

Bugtraq ID: 60843

CVE ID: CVE-2013-4073