SB2022041258 - Multiple vulnerabilities in Microsoft Windows Kerberos

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-24544)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in Windows Kerberos, which leads to security restrictions bypass and privilege escalation.

2) Input validation error (CVE-ID: CVE-2022-24545)

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 Windows Kerberos. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.

3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-24486)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in Windows Kerberos, which leads to security restrictions bypass and privilege escalation.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-24544
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-24545
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-24486