CVE-2016-2074

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 8.55% Top 10%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory openvswitch.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://openvswitch.org/pipermail/announce/2016-March/000082.html vendor advisory mailing list
http://rhn.redhat.com/errata/RHSA-2016-0537.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-0524.html vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1318553
http://www.debian.org/security/2016/dsa-3533 vendor advisory
https://access.redhat.com/errata/RHSA-2016:0615 vendor advisory
https://security-tracker.debian.org/tracker/CVE-2016-2074
https://security.gentoo.org/glsa/201701-07 vendor advisory
https://support.citrix.com/article/CTX232655
http://rhn.redhat.com/errata/RHSA-2016-0523.html vendor advisory
http://openvswitch.org/pipermail/announce/2016-March/000083.html patch mailing list
http://www.securityfocus.com/bid/85700 vdb entry

Frequently Asked Questions

What is the severity of CVE-2016-2074?
CVE-2016-2074 has been scored as a critical severity vulnerability.
How to fix CVE-2016-2074?
To fix CVE-2016-2074, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-2074 being actively exploited in the wild?
It is possible that CVE-2016-2074 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~9% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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