Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2016-7795

The manager_invoke_notify_message function in systemd 231 and earlier allows local users to cause a denial of service (assertion failure and PID 1 hang) via a zero-length message received over a notify socket.

Published

2016-10-13T14:59:13.473

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 5.5 (MEDIUM)

CVSSv2 Vector

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

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

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	canonical	ubuntu_linux	16.04	Yes
Application	systemd_project	systemd	≤ 231	Yes

References

http://rhn.redhat.com/errata/RHSA-2016-2610.html ([email protected])
http://rhn.redhat.com/errata/RHSA-2016-2694.html ([email protected])
http://www.openwall.com/lists/oss-security/2016/09/28/9 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2016/09/30/1 Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/93223 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1037320 ([email protected])
http://www.ubuntu.com/usn/USN-3094-1 Third Party Advisory ([email protected])
https://github.com/systemd/systemd/issues/4234 Exploit, Patch, Third Party Advisory ([email protected])
https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet Exploit, Technical Description, Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2016-2610.html (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2016-2694.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/09/28/9 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/09/30/1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/93223 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1037320 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-3094-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/systemd/systemd/issues/4234 Exploit, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet Exploit, Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)