Vulnerability Monitor

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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.

Published

2013-10-03T21:55:04.443

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.9 (MEDIUM)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.4

Impact Score

10.0

Weaknesses

Type: Primary
CWE-362

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	systemd_project	systemd	≤ 207	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	canonical	ubuntu_linux	13.04	Yes

References

http://www.debian.org/security/2013/dsa-2777 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2013/09/18/6 Mailing List, Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-1961-1 Vendor Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1006680 Issue Tracking, Patch, Third Party Advisory ([email protected])
http://www.debian.org/security/2013/dsa-2777 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2013/09/18/6 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-1961-1 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1006680 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)