Improper input validation in Novell SUSE Linux Enterprise Desktop
CVE-2016-7796
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.009 (56.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Novell SUSE Linux Enterprise Desktop — versions 12
- Novell SUSE Linux Enterprise Server — versions 12.0
- Novell SUSE Linux Enterprise Server For SAP — versions 12.0
- Novell SUSE Linux Enterprise Software Development Kit — versions 12.0
- Systemd Project — versions 209, 213, 214
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Hpc Node — versions 7.0
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Workstation — versions 7.0
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2016/09/30/1 (mailing-list, Third Party Advisory)
- www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet (Technical Description, Exploit, Third Party Advisory)
- github.com/systemd/systemd/issues/4234 (Exploit, Patch, Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.html (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (VDB Entry, Third Party Advisory, Issue Tracking)
- rhn.redhat.com/errata/RHSA-2017-0003.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.html (vendor-advisory, Third Party Advisory)
- www.securitytracker.com/id/1037320 (vdb-entry)
- www.securityfocus.com/bid/93250 (Third Party Advisory, vdb-entry)
- rhn.redhat.com/errata/RHBA-2015-2092.html (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-7796?
- CVE-2016-7796 is a medium-severity vulnerability in Novell SUSE Linux Enterprise Desktop, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2016-10-13.
- How severe is CVE-2016-7796?
- Medium severity. CVSS v3 base score is 5.5 out of 10.