Ubuntu 12.04 LTS / 13.10 / 14.04 LTS : dbus vulnerabilities (USN-2275-1)

Ubuntu Security Notice (C) 2014-2016 Canonical, Inc. / NASL script (C) 2014-2016 Tenable Network Security, Inc.


Synopsis :

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

Description :

Alban Crequy discovered that dbus-daemon incorrectly sent AccessDenied
errors to the service instead of the client when enforcing
permissions. A local user can use this issue to possibly deny access
to the service. (CVE-2014-3477)

Alban Crequy discovered that dbus-daemon incorrectly handled certain
file descriptors. A local attacker could use this issue to cause
services or clients to disconnect, resulting in a denial of service.
(CVE-2014-3532, CVE-2014-3533).

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 dbus and / or libdbus-1-3 packages.

Risk factor :

Low / CVSS Base Score : 2.1
(CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 1.8
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 76425 ()

Bugtraq ID: 67986
68337
68339

CVE ID: CVE-2014-3477
CVE-2014-3532
CVE-2014-3533

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