SB2022091374 - Multiple vulnerabilities in Microsoft Windows Kerberos

Description

This security bulletin contains information about 2 vulnerabilities.

1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-33679)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/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 escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in the Windows Kerberos. A remote attacker can perform a man-in-the-middle attack, leading to security restrictions bypass and privilege escalation.

2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-33647)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

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

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in the Windows Kerberos. A remote attacker can perform a man-in-the-middle attack, leading 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-2022-33679
• https://bugs.chromium.org/p/project-zero/issues/detail?id=2310
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-33647