Red Hat update for openvswitch

Published: 2020-05-26

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-10722 CVE-2020-10723
CWE-ID	CWE-20
Exploitation vector	Local network
Public exploit	N/A
Vulnerable software	openvswitch (Red Hat package) Operating systems & Components / Operating system package or component Red Hat Enterprise Linux Fast Datapath Client/Desktop applications / File managers, FTP clients
Vendor	Red Hat Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU27994

Risk: Medium

CVSSv4.0: 2.1 [CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-10722

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in check log functionality. A remote attacker can pass specially crafted input to the application, trigger mmap offset and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

openvswitch (Red Hat package): 2.9.0-19.el7fdp - 2.9.0-124.el7fdp

Red Hat Enterprise Linux Fast Datapath: 7

CPE2.3

External links

https://access.redhat.com/errata/RHSA-2020:2298

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Input validation error

EUVDB-ID: #VU27996