#VU70459 Integer underflow in Open vSwitch - CVE-2022-4338
Published: December 21, 2022 / Updated: December 21, 2022
Vulnerability identifier: #VU70459
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2022-4338
CWE-ID: CWE-191
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Open vSwitch
Open vSwitch
Software vendor:
openvswitch.org
openvswitch.org
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer underflow when parsing Auto Attach TLV. A remote attacker can send specially crafted LLDP messages to the affected system, trigger an integer underflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note, by default interfaces are not configured to process LLDP messages.
Remediation
Install updates from vendor's website.