SB2024041004 - Multiple vulnerabilities in Microsoft Windows Cryptographic Services

Description

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error (CVE-ID: CVE-2024-29050)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber

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

The vulnerability exists due to numeric truncation error in Windows Cryptographic Services. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.

2) Security features bypass (CVE-ID: CVE-2024-26228)

CWE-ID: CWE-254 - Security Features

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to security features bypass in the Windows Cryptographic Services. A local user can bypass RSA signature verification on the target system.

Remediation

Install update from vendor's website.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-29050
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26228