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,…
Does this matter?
Lower severity and a low EPSS score (0.30%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 6.9 MEDIUMAV:L/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 0.30% probability · 23th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- systemd project/systemd · debian/debian linux · canonical/ubuntu linux
- Source
- secalert@redhat.com
References
- http://www.debian.org/security/2013/dsa-2777Third Party Advisory
- http://www.openwall.com/lists/oss-security/2013/09/18/6Mailing List, Third Party Advisory
- http://www.ubuntu.com/usn/USN-1961-1Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1006680Issue Tracking, Patch, Third Party Advisory
- http://www.debian.org/security/2013/dsa-2777Third Party Advisory
- http://www.openwall.com/lists/oss-security/2013/09/18/6Mailing List, Third Party Advisory
- http://www.ubuntu.com/usn/USN-1961-1Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1006680Issue Tracking, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.