CVE-2016-7796

Published on: 10/13/2016 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:27:07 PM UTC

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Certain versions of Suse Linux Enterprise Desktop from Novell contain the following vulnerability:

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.

  • CVE-2016-7796 has been assigned by [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 5.5 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
LOCAL LOW LOW NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE NONE HIGH

CVSS2 Score: 4.9 - MEDIUM

Access
Vector
Access
Complexity
Authentication
LOCAL LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE NONE COMPLETE

CVE References

Description Tags Link
Red Hat Customer Portal Third Party Advisory
web.archive.org
text/html
Inactive LinkNot Archived
URL Logo REDHAT RHBA-2015:2092
How to Crash Systemd in One Tweet Exploit
Technical Description
Third Party Advisory
www.agwa.name
text/html
URL Logo MISC www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet
oss-security - Re: CVE Request: systemd v209+: local denial-of-service attack Third Party Advisory
www.openwall.com
text/html
URL Logo MLIST [oss-security] 20160930 Re: CVE Request: systemd v209+: local denial-of-service attack
[security-announce] SUSE-SU-2016:2475-1: important: Security update for Third Party Advisory
lists.opensuse.org
text/html
URL Logo SUSE SUSE-SU-2016:2475
systemd Zero-Length Notification Processing Flaw Lets Local Users Cause Denial of Service Conditions - SecurityTracker www.securitytracker.com
text/html
URL Logo SECTRACK 1037320
Assertion failure when PID 1 receives a zero-length message over notify socket · Issue #4234 · systemd/systemd · GitHub Exploit
Patch
Vendor Advisory
github.com
text/html
URL Logo CONFIRM github.com/systemd/systemd/issues/4234#issuecomment-250441246
[security-announce] SUSE-SU-2016:2476-1: important: Security update for Third Party Advisory
lists.opensuse.org
text/html
URL Logo SUSE SUSE-SU-2016:2476
Bug 1381911 – CVE-2016-7796 systemd: freeze when PID 1 receives a zero-length message over notify socket Issue Tracking
Third Party Advisory
VDB Entry
bugzilla.redhat.com
text/html
URL Logo CONFIRM bugzilla.redhat.com/show_bug.cgi?id=1381911
Red Hat Customer Portal web.archive.org
text/html
Inactive LinkNot Archived
URL Logo REDHAT RHSA-2017:0003
systemd CVE-2016-7796 Local Denial of Service Vulnerability Third Party Advisory
cve.report (archive)
text/html
URL Logo BID 93250

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
NovellSuse Linux Enterprise Desktop12sp1AllAll
Operating
System
NovellSuse Linux Enterprise Desktop12sp1AllAll
Operating
System
NovellSuse Linux Enterprise Server12.0AllAllAll
Operating
System
NovellSuse Linux Enterprise Server12.0sp1AllAll
Operating
System
NovellSuse Linux Enterprise Server12.0AllAllAll
Operating
System
NovellSuse Linux Enterprise Server12.0sp1AllAll
Operating
System
NovellSuse Linux Enterprise Server For Sap12.0AllAllAll
Operating
System
NovellSuse Linux Enterprise Server For Sap12.0AllAllAll
Operating
System
NovellSuse Linux Enterprise Software Development Kit12.0sp1AllAll
Operating
System
NovellSuse Linux Enterprise Software Development Kit12.0sp1AllAll
Operating
System
RedhatEnterprise Linux Desktop7.0AllAllAll
Operating
System
RedhatEnterprise Linux Desktop7.0AllAllAll
Operating
System
RedhatEnterprise Linux Hpc Node7.0AllAllAll
Operating
System
RedhatEnterprise Linux Hpc Node7.0AllAllAll
Operating
System
RedhatEnterprise Linux Server7.0AllAllAll
Operating
System
RedhatEnterprise Linux Server7.0AllAllAll
Operating
System
RedhatEnterprise Linux Workstation7.0AllAllAll
Operating
System
RedhatEnterprise Linux Workstation7.0AllAllAll
ApplicationSystemd ProjectSystemd209AllAllAll
ApplicationSystemd ProjectSystemd213AllAllAll
ApplicationSystemd ProjectSystemd214AllAllAll
ApplicationSystemd ProjectSystemd229AllAllAll
ApplicationSystemd ProjectSystemd209AllAllAll
ApplicationSystemd ProjectSystemd213AllAllAll
ApplicationSystemd ProjectSystemd214AllAllAll
ApplicationSystemd ProjectSystemd229AllAllAll
  • cpe:2.3:o:novell:suse_linux_enterprise_desktop:12:sp1:*:*:*:*:*:*:
  • cpe:2.3:o:novell:suse_linux_enterprise_desktop:12:sp1:*:*:*:*:*:*:
  • cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:*:*:*:ltss:*:*:*:
  • cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1:*:*:*:*:*:*:
  • cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:*:*:*:ltss:*:*:*:
  • cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1:*:*:*:*:*:*:
  • cpe:2.3:o:novell:suse_linux_enterprise_server_for_sap:12.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:novell:suse_linux_enterprise_server_for_sap:12.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:*:
  • cpe:2.3:o:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:*:
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:systemd_project:systemd:209:*:*:*:*:*:*:*:
  • cpe:2.3:a:systemd_project:systemd:213:*:*:*:*:*:*:*:
  • cpe:2.3:a:systemd_project:systemd:214:*:*:*:*:*:*:*:
  • cpe:2.3:a:systemd_project:systemd:229:*:*:*:*:*:*:*:
  • cpe:2.3:a:systemd_project:systemd:209:*:*:*:*:*:*:*:
  • cpe:2.3:a:systemd_project:systemd:213:*:*:*:*:*:*:*:
  • cpe:2.3:a:systemd_project:systemd:214:*:*:*:*:*:*:*:
  • cpe:2.3:a:systemd_project:systemd:229:*:*:*:*:*:*:*: