Buffer overflow in Openvswitch
CVE-2016-2074
Buffer overflow in lib/flow.c in ovs-vswitchd in Open vSwitch 2.2.x and 2.3.x before 2.3.3 and 2.4.x before 2.4.1 allows remote attackers to execute arbitrary code via crafted MPLS packets, as demonstrated by a long string in an ovs-appctl command.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.064 (93.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.063 · newest: 0.064 · change: +0.001
Affected products
- Openvswitch — versions 2.2.0, 2.3.0, 2.3.1
- Red Hat Openshift — versions 3.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- openvswitch.org/pipermail/announce/2016-March/000082.html (Vendor Advisory, mailing-list)
- rhn.redhat.com/errata/RHSA-2016-0537.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2016-0524.html (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi
- www.debian.org/security/2016/dsa-3533 (vendor-advisory)
- access.redhat.com/errata/RHSA-2016:0615 (vendor-advisory)
- security-tracker.debian.org/tracker/CVE-2016-2074
- security.gentoo.org/glsa/201701-07 (vendor-advisory)
- support.citrix.com/article/CTX232655
- rhn.redhat.com/errata/RHSA-2016-0523.html (vendor-advisory)
Frequently asked questions
- What is CVE-2016-2074?
- CVE-2016-2074 is a critical-severity vulnerability in Openvswitch, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-07-03.
- How severe is CVE-2016-2074?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-2074 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.