SB2023011940 - Multiple vulnerabilities in OpenShift Container Platform 4.11



SB2023011940 - Multiple vulnerabilities in OpenShift Container Platform 4.11

Published: January 19, 2023

Security Bulletin ID SB2023011940
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use of a broken or risky cryptographic algorithm (CVE-ID: CVE-2023-0296)

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to usage of weak 64-bit block ciphers vulnerable to Birthday attack within the etcd grpc-proxy component. A remote attacker can perform MitM attack.


2) Input validation error (CVE-ID: CVE-2022-32189)

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
Float.GobDecode. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.