CVE-2016-7795

MEDIUM

Canonical Ubuntu Linux < 231 - Improper Input Validation

Title source: rule

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 (9)

Core 9

Core References

Third Party Advisory mailing-list x_refsource_mlist

http://www.openwall.com/lists/oss-security/2016/09/30/1

Third Party Advisory mailing-list x_refsource_mlist

http://www.openwall.com/lists/oss-security/2016/09/28/9

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/93223

Vendor Advisory vendor-advisory x_refsource_redhat

http://rhn.redhat.com/errata/RHSA-2016-2610.html

Exploit, Technical Description, Third Party Advisory x_refsource_misc

https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet

Third Party Advisory vendor-advisory x_refsource_ubuntu

http://www.ubuntu.com/usn/USN-3094-1

Exploit, Patch, Third Party Advisory x_refsource_confirm

https://github.com/systemd/systemd/issues/4234

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1037320

Vendor Advisory vendor-advisory x_refsource_redhat

http://rhn.redhat.com/errata/RHSA-2016-2694.html

Scores

CVSS v3 5.5

EPSS 0.0063

EPSS Percentile 46.0%

Attack Vector LOCAL

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

Details

CWE

CWE-20

Status published

Products (2)

canonical/ubuntu_linux 16.04

systemd_project/systemd < 231

Published Oct 13, 2016

Tracked Since Feb 18, 2026