OpenShift Container Platform 4.12 update for capnproto

1) Out-of-bounds read

EUVDB-ID: #VU70537

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-46149

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition within the list-of-list logic. A remote attacker can pass specially crafted data to the application, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.12.0 - 4.12.8

openshift4-aws-iso (Red Hat package): before 4.12.0-202303211342.p0.ge6f12ae.assembly.stream.el8

openshift-ansible (Red Hat package): before 4.12.0-202303211955.p0.gab53575.assembly.stream.el8

NetworkManager (Red Hat package): before 1.36.0-13.el8_6

conmon-rs (Red Hat package): before 0.5.1-3.rhaos4.12.git.el9

External links

http://access.redhat.com/errata/RHSA-2023:1408

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.