SB2023041171 - Multiple vulnerabilities in Microsoft Remote Procedure Call Runtime

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Information disclosure (CVE-ID: CVE-2023-21729)

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

The vulnerability exists due to excessive data output by the application in Remote Procedure Call Runtime. A remote user can gain unauthorized access to sensitive information on the system.

2) Input validation error (CVE-ID: CVE-2023-21727)

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to insufficient validation of user-supplied input in Remote Procedure Call Runtime. A remote user can pass specially crafted input to the application and execute arbitary code on the target system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21729
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21727