PT-2013-2850 · Canonical · Ubuntu-System-Service

Published 2013-10-03 · Updated 2013-10-08 · CVE-2013-1062

Positive Technologies (AI Summary)

CVSS v2.0

4.6

Medium

Base vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions ubuntu-system-service versions 0.2.2 through 0.2.2.1 ubuntu-system-service versions 0.2.3 through 0.2.3.1 ubuntu-system-service versions 0.2.4 through 0.2.4.1, but not including 0.2.4.1 and later

Description The issue allows local users to bypass intended access restrictions by leveraging a PolkitUnixProcess PolkitSubject race condition via a (1) setuid process or (2) pkexec process. This occurs because the software does not properly use D-Bus for communication with a polkit authority.

Recommendations For ubuntu-system-service versions 0.2.2 through 0.2.2.1, update to version 0.2.2.1 or later. For ubuntu-system-service versions 0.2.3 through 0.2.3.1, update to version 0.2.3.1 or later. For ubuntu-system-service versions 0.2.4 through 0.2.4.1, update to version 0.2.4.1 or later.

Fix

Weakness Enumeration

CWE-264

Related Identifiers

CVE-2013-1062

Affected Products

Ubuntu-System-Service

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2013-1062 · Security Note
• http://ubuntu.com/usn/USN-1962-1 · Vendor Advisory
• http://secunia.com/advisories/54907 · Vendor Advisory