SUSE update for openvswitch

1) Input validation error

EUVDB-ID: #VU50603

Risk: Medium

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2020-35498

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

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 when processing network packets. A remote attacker can send specially crafted traffic to the system and perform a denial of service (DoS) attack.

Mitigation

Update the affected package openvswitch to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 12-SP5

openvswitch-debugsource: before 2.11.5-3.9.1

openvswitch-debuginfo: before 2.11.5-3.9.1

openvswitch: before 2.11.5-3.9.1

libopenvswitch-2_11-0-debuginfo: before 2.11.5-3.9.1

libopenvswitch-2_11-0: before 2.11.5-3.9.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP5:*:*:*:*:*:*:*
• cpe:2.3:a:suse:openvswitch-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:openvswitch-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:openvswitch:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libopenvswitch-2_11-0-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libopenvswitch-2_11-0:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2022/suse-su-20223384-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.