SB2024011751 - Multiple vulnerabilities in EDK2

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) (CVE-ID: CVE-2023-45236)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a predictable TCP Initial Sequence Number. A remote attacker on the local network can gain unauthorized access to sensitive information on the system.

2) Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) (CVE-ID: CVE-2023-45237)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a predictable TCP Initial Sequence Number. A remote attacker can gain unauthorized access to sensitive information on the system.

Remediation

Install update from vendor's website.

References

• https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
• http://www.openwall.com/lists/oss-security/2024/01/16/2