Ubuntu 14.04 LTS / 16.04 LTS : DBus vulnerabilities (USN-3116-1)

medium Nessus Plugin ID 94465

Synopsis

The remote Ubuntu host is missing a security update.

Description

It was discovered that DBus incorrectly validated the source of ActivationFailure signals. A local attacker could use this issue to cause a denial of service. This issue only applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2015-0245)

It was discovered that DBus incorrectly handled certain format strings. A local attacker could use this issue to cause a denial of service, or possibly execute arbitrary code. This issue is only exposed to unprivileged users when the fix for CVE-2015-0245 is not applied, hence this issue is only likely to affect Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Ubuntu 16.04 LTS and Ubuntu 16.10 have been updated as a preventative measure in the event that a new attack vector for this issue is discovered. (No CVE number).

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.

See Also

https://ubuntu.com/security/notices/USN-3116-1

Plugin Details

Severity: Medium

ID: 94465

File Name: ubuntu_USN-3116-1.nasl

Version: 2.7

Type: local

Agent: unix

Published: 11/2/2016

Updated: 10/23/2023

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 1.9

Temporal Score: 1.4

Vector: CVSS2#AV:L/AC:M/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2015-0245

CVSS v3

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 4.1

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:dbus, p-cpe:/a:canonical:ubuntu_linux:dbus-tests, p-cpe:/a:canonical:ubuntu_linux:dbus-udeb, p-cpe:/a:canonical:ubuntu_linux:dbus-user-session, p-cpe:/a:canonical:ubuntu_linux:dbus-x11, p-cpe:/a:canonical:ubuntu_linux:libdbus-1-3, p-cpe:/a:canonical:ubuntu_linux:libdbus-1-3-udeb, p-cpe:/a:canonical:ubuntu_linux:libdbus-1-dev, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 11/1/2016

Vulnerability Publication Date: 2/13/2015

Reference Information

CVE: CVE-2015-0245

USN: 3116-1