Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Local
0

CVE-2016-7796

Disclosure Date: October 13, 2016
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

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.

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CVSS V3 Severity and Metrics
Base Score:
5.5 Medium
Impact Score:
3.6
Exploitability Score:
1.8
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High

General Information

Vendors

  • novell,
  • redhat,
  • systemd project

Products

  • enterprise linux desktop 7.0,
  • enterprise linux hpc node 7.0,
  • enterprise linux server 7.0,
  • enterprise linux workstation 7.0,
  • suse linux enterprise desktop 12,
  • suse linux enterprise server 12.0,
  • suse linux enterprise server for sap 12.0,
  • suse linux enterprise software development kit 12.0,
  • systemd 209,
  • systemd 213,
  • systemd 214,
  • systemd 229
Technical Analysis