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Last updated: 4/24/2014

CVE Publication rate: 20.97

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National Cyber Awareness System

Vulnerability Summary for CVE-2013-4311

Original release date: 10/03/2013
Last revised: 11/06/2013
Source: US-CERT/NIST

Overview

libvirt 1.0.5.x before 1.0.5.6, 0.10.2.x before 0.10.2.8, and 0.9.12.x before 0.9.12.2 allows local users to bypass intended access restrictions by leveraging a PolkitUnixProcess PolkitSubject race condition in pkcheck via a (1) setuid process or (2) pkexec process, a related issue to CVE-2013-4288.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.6 (MEDIUM) (AV:L/AC:L/AU:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: CONFIRM
Name: http://wiki.libvirt.org/page/Maintenance_Releases
Type: Patch Information
External Source: REDHAT
Name: RHSA-2013:1460
External Source: UBUNTU
Name: USN-1954-1
Type: Advisory
External Source: REDHAT
Name: RHSA-2013:1272
Type: Advisory
External Source: SUSE
Name: openSUSE-SU-2013:1549
External Source: SUSE
Name: openSUSE-SU-2013:1550
External Source: MLIST
Name: [oss-security] 20130918 Re: Fwd: [vs-plain] polkit races

Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)