CVE-2016-7795medium
Description
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.
References
http://rhn.redhat.com/errata/RHSA-2016-2610.html
http://rhn.redhat.com/errata/RHSA-2016-2694.html
http://www.openwall.com/lists/oss-security/2016/09/28/9
http://www.openwall.com/lists/oss-security/2016/09/30/1
http://www.securityfocus.com/bid/93223
http://www.securitytracker.com/id/1037320
http://www.ubuntu.com/usn/USN-3094-1
https://github.com/systemd/systemd/issues/4234
https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet
Details
Source: MITRE
Published: 2016-10-13
Updated: 2017-07-28
Type: CWE-20
Risk Information
CVSS v2
Base Score: 4.9
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.9
Severity: MEDIUM
CVSS v3
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM