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…
Vulnerability class: Buffer Overflow
EPSS: 0.093 (92.9th percentile) — read the EPSS interpretation.
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.
Affected products
- Openvswitch — versions 2.2.0, 2.3.0, 2.3.1
- Redhat Openshift — versions 3.1
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- [ovs-announce] 20160328 CVE-2016-2074: MPLS buffer overflow vulnerabilities in Open vSwitch (Vendor Advisory, mailing-list, x_refsource_MLIST)
- RHSA-2016:0537 (x_refsource_REDHAT, vendor-advisory)
- RHSA-2016:0524 (x_refsource_REDHAT, vendor-advisory)
- cve@mitre.org (x_refsource_CONFIRM)
- DSA-3533 (vendor-advisory, x_refsource_DEBIAN)
- RHSA-2016:0615 (x_refsource_REDHAT, vendor-advisory)
- cve@mitre.org (x_refsource_CONFIRM)
- GLSA-201701-07 (vendor-advisory, x_refsource_GENTOO)
- cve@mitre.org (x_refsource_CONFIRM)
- RHSA-2016:0523 (x_refsource_REDHAT, 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.