Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Ubuntu Linux | 16.04 |
| Systemd Project | Systemd | <= 231 |
Related Weaknesses (CWE)
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/2016/09/28/9Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/09/30/1Third Party Advisory
- http://www.securityfocus.com/bid/93223Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037320
- http://www.ubuntu.com/usn/USN-3094-1Third Party Advisory
- https://github.com/systemd/systemd/issues/4234ExploitPatchThird Party Advisory
- https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweetExploitTechnical DescriptionThird Party Advisory
- 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/2016/09/28/9Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/09/30/1Third Party Advisory
- http://www.securityfocus.com/bid/93223Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037320
FAQ
What is CVE-2016-7795?
CVE-2016-7795 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 notif...
How severe is CVE-2016-7795?
CVE-2016-7795 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-7795?
Check the references section above for vendor advisories and patch information. Affected products include: Canonical Ubuntu Linux, Systemd Project Systemd.