Buffer overflow in Open vSwitch - CVE-2016-2074

 

Buffer overflow in Open vSwitch - CVE-2016-2074

Published: April 2, 2018 / Updated: April 2, 2018


Vulnerability identifier: #VU11451
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2016-2074
CWE-ID: CWE-120
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: openvswitch.org
Affected software:
Open vSwitch

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists in lib/flow.c in ovs-vswitchd due to boundary error. A remote attacker can send specially crafted MPLS packets, as demonstrated by a long string in an ovs-appctl command, and execute arbitrary code.



How to mitigate CVE-2016-2074

Update to versions 2.3.3 or 2.4.1.

Sources