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Fencer Intel
medium 4.6

CVE-2013-4326 json

RealtimeKit (aka rtkit) 0.5 does not properly use D-Bus for communication with a polkit authority, which allows local users to bypass inten…

published 13y ago modified 4mo ago also EUVD-2013-4213

cvss
4.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits
0
none known

Summary

RealtimeKit (aka rtkit) 0.5 does not properly use D-Bus for communication with a polkit authority, which allows local users to bypass intended access restrictions by leveraging a PolkitUnixProcess PolkitSubject race condition via a (1) setuid process or (2) pkexec process, a related issue to CVE-2013-4288.

Patch / fix

  • rtkit Debian 14, Debian 13, Debian 12 0.10-3

debian advisories DEBIAN-CVE-2013-4326

  • rtkit RHEL 6 0.5-2.el6_4

red hat advisories RHSA-2013:1282

  • rtkit openSUSE Tumbleweed 0.11+git.20130926-3.1

opensuse advisories openSUSE-SU-2024:10557-1

Is CVE-2013-4326 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2013-4326 updated cvss 6.9

rtkit: insecure calling of polkit

  • Red Hat Enterprise Linux Desktop (v. 6) rtkit 0.5-2.el6_4 Red Hat Enterprise Linux HPC Node Optional (v. 6) rtkit 0.5-2.el6_4 Red Hat Enterprise Linux Server (v. 6) rtkit 0.5-2.el6_4 Red Hat Enterprise Linux Workstation (v. 6) rtkit 0.5-2.el6_4
    fixed: vendor fix RHSA-2013:1282
  • Red Hat Enterprise Linux 7 rtkit
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.