5.5med

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 an…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.6%
percentile 50%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

0.63% probability of exploitation in the next 30 days, higher than 50% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD2.04.9AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • openwall.com /lists/oss-security/2016/09/30/1 · mailing-list, x_refsource_MLIST, x_transferred
  • openwall.com /lists/oss-security/2016/09/28/9 · mailing-list, x_refsource_MLIST, x_transferred
  • securityfocus.com /bid/93223 · vdb-entry, x_refsource_BID, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2610.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • agwa.name /blog/post/how_to_crash_systemd_in_one_tweet · x_refsource_MISC, x_transferred
  • ubuntu.com /usn/USN-3094-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • github.com /systemd/systemd/issues/4234 · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1037320 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2694.html · vendor-advisory, x_refsource_REDHAT, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.