Ubuntu 12.04 LTS / 14.04 LTS / 14.10 : firefox vulnerability (USN-2557-1)

Ubuntu Security Notice (C) 2015-2016 Canonical, Inc. / NASL script (C) 2015-2016 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

Muneaki Nishimura discovered a flaw in Mozilla's HTTP Alternative
Services implementation which meant SSL certificate verification could
be bypassed in some circumstances. A remote attacker could potentially
exploit this to conduct a man in the middle attack. (CVE-2015-0799).

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 firefox package.

Risk factor :

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

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 82643 ()

Bugtraq ID: 73905

CVE ID: CVE-2015-0799

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