CVE-2016-7795
MEDIUM severity · CVSS 5.5 · Improper input validation
5.5CVSS MEDIUM
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://github.com/systemd/systemd/issues/4234 ↗
Additional information
- NVD record
- https://github.com/systemd/systemd/issues/4234Patch
- 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/2016/09/28/9Advisory
- http://www.openwall.com/lists/oss-security/2016/09/30/1Advisory
- http://www.securityfocus.com/bid/93223Advisory
- http://www.securitytracker.com/id/1037320
- http://www.ubuntu.com/usn/USN-3094-1Advisory