Home/CVE/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
CVE

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

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.

CRITICAL · CVSS 9.8 EPSS 0.09337
Schedule remediation
  • EPSS percentile: top 7% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

2
openvswitchall versions
redhat openshiftall versions
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Jul 2016 · 09:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

4
rhsaRHSA-2016:0524Important
rhsaRHSA-2016:0537Important
rhsaRHSA-2016:0615Important
rhsaRHSA-2016:0523Important
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://openvswitch.org/pipermail/announce/2016-March/000082.htmlVendor Advisory
http://openvswitch.org/pipermail/announce/2016-March/000083.htmlPatch
http://rhn.redhat.com/errata/RHSA-2016-0523.html
http://rhn.redhat.com/errata/RHSA-2016-0524.html
http://rhn.redhat.com/errata/RHSA-2016-0537.html
http://www.debian.org/security/2016/dsa-3533
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