Vulnerability in Systemd Project
CVE-2013-4327
systemd 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.
Vulnerability class: Race Condition
EPSS: 0.003 (22.7th percentile) — read the EPSS interpretation.
Affected products
- Systemd_project Systemd
- Canonical Ubuntu_linux — versions 13.04
- Debian Debian_linux — versions 7.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Vendor Advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2013-4327?
- CVE-2013-4327 is a vulnerability in Systemd Project, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). Published 2013-10-03.
- Is CVE-2013-4327 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.