CVE-2016-2074
Open vSwitch OVS-vswitchd Buffer Overflow Vulnerability
Description
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.
INFO
Published Date :
July 3, 2016, 9:59 p.m.
Last Modified :
April 12, 2025, 10:46 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.0 | CRITICAL | [email protected] |
Solution
- Upgrade Open vSwitch to a version that addresses this vulnerability.
- For Debian, update the openvswitch package to version 2.3.0+git20140819-3+deb8u1 or later.
- For RHEL, update the openvswitch package based on the vendor advisory.
Public PoC/Exploit Available at Github
CVE-2016-2074 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2016-2074.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2016-2074 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2016-2074
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Isolation enhanced vhost-user architecture
Makefile C C++ Shell SmPL Python Objective-C Ruby M4 Roff
OVS flow extract in Rust
Rust
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2016-2074 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-2074 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://openvswitch.org/pipermail/announce/2016-March/000082.html Added Reference http://openvswitch.org/pipermail/announce/2016-March/000083.html Added Reference http://rhn.redhat.com/errata/RHSA-2016-0523.html Added Reference http://rhn.redhat.com/errata/RHSA-2016-0524.html Added Reference http://rhn.redhat.com/errata/RHSA-2016-0537.html Added Reference http://www.debian.org/security/2016/dsa-3533 Added Reference http://www.securityfocus.com/bid/85700 Added Reference https://access.redhat.com/errata/RHSA-2016:0615 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1318553 Added Reference https://security.gentoo.org/glsa/201701-07 Added Reference https://security-tracker.debian.org/tracker/CVE-2016-2074 Added Reference https://support.citrix.com/article/CTX232655 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Mar. 23, 2018
Action Type Old Value New Value Added Reference https://support.citrix.com/article/CTX232655 [No Types Assigned] -
CVE Modified by [email protected]
Jan. 05, 2018
Action Type Old Value New Value Added Reference http://rhn.redhat.com/errata/RHSA-2016-0537.html [No Types Assigned] Added Reference http://rhn.redhat.com/errata/RHSA-2016-0524.html [No Types Assigned] Added Reference http://rhn.redhat.com/errata/RHSA-2016-0523.html [No Types Assigned] -
CVE Modified by [email protected]
Nov. 04, 2017
Action Type Old Value New Value Added Reference http://www.debian.org/security/2016/dsa-3533 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 01, 2017
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201701-07 [No Types Assigned] -
CVE Modified by [email protected]
Jan. 04, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/85700 [No Types Assigned] -
Modified Analysis by [email protected]
Jul. 15, 2016
Action Type Old Value New Value Changed CPE Configuration Configuration 1 OR *cpe:2.3:a:openvswitch:openvswitch:2.4.0:*:*:*:*:*:*:* *cpe:2.3:a:openvswitch:openvswitch:2.3.2:*:*:*:*:*:*:* *cpe:2.3:a:openvswitch:openvswitch:2.3.1:*:*:*:*:*:*:* *cpe:2.3:a:openvswitch:openvswitch:2.2.0:*:*:*:*:*:*:* *cpe:2.3:a:openvswitch:openvswitch:2.3.0:*:*:*:*:*:*:* Configuration 1 OR *cpe:2.3:a:openvswitch:openvswitch:2.4.0:*:*:*:*:*:*:* *cpe:2.3:a:openvswitch:openvswitch:2.3.2:*:*:*:*:*:*:* *cpe:2.3:a:openvswitch:openvswitch:2.3.1:*:*:*:*:*:*:* *cpe:2.3:a:openvswitch:openvswitch:2.2.0:*:*:*:*:*:*:* *cpe:2.3:a:openvswitch:openvswitch:2.3.0:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:a:redhat:openshift:3.1:*:*:*:enterprise:*:*:* -
CVE Modified by [email protected]
Jul. 14, 2016
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2016:0615 -
Modified Analysis by [email protected]
Jul. 08, 2016
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:a:openvswitch:openvswitch:2.4.0:*:*:*:*:*:*:* *cpe:2.3:a:openvswitch:openvswitch:2.3.2:*:*:*:*:*:*:* *cpe:2.3:a:openvswitch:openvswitch:2.3.1:*:*:*:*:*:*:* *cpe:2.3:a:openvswitch:openvswitch:2.2.0:*:*:*:*:*:*:* *cpe:2.3:a:openvswitch:openvswitch:2.3.0:*:*:*:*:*:*:* Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://openvswitch.org/pipermail/announce/2016-March/000082.html No Types Assigned http://openvswitch.org/pipermail/announce/2016-March/000082.html Advisory Changed Reference Type http://openvswitch.org/pipermail/announce/2016-March/000083.html No Types Assigned http://openvswitch.org/pipermail/announce/2016-March/000083.html Patch Added CWE CWE-119 -
Initial Analysis by [email protected]
Jul. 07, 2016
Action Type Old Value New Value
Vulnerability Scoring Details
Base CVSS Score: 9.8
Base CVSS Score: 7.5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
8.55 }} -8.77%
score
0.91571
percentile