cve/2016/CVE-2016-7796.md

CVE-2016-7796

Description

The manager_dispatch_notify_fd function in systemd allows local users to cause a denial of service (system hang) via a zero-length message received over a notify socket, which causes an error to be returned and the notification handler to be disabled.

POC

Reference

• http://www.openwall.com/lists/oss-security/2016/09/30/1
• https://github.com/systemd/systemd/issues/4234#issuecomment-250441246

Github

No PoCs found on GitHub currently.