SB2023021312 - Multiple vulnerabilities in OpenShift Container Platform 4.9
Published: February 13, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Insufficient Entropy (CVE-ID: CVE-2021-4238)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient entropy when generating alphanumeric strings within RandomAlphaNumeric and CryptoRandomAlphaNumeric functions, which always return strings containing at least one digit from 0 to 9. A remote attacker can launch brute-force attacks and gain access to sensitive information.
2) Improper Authentication (CVE-ID: CVE-2022-41912)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error when processing SAML responses containing multiple Assertion elements. A remote attacker can bypass authentication process and gain unauthorized access to the application.
3) 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.
Remediation
Install update from vendor's website.