CVE-2016-7795 Information

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5