Multiple vulnerabilities in Microsoft Windows Kerberos



Published: 2022-11-08 | Updated: 2022-12-15
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-41053
CVE-2022-37967
CWE-ID CWE-20
CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU69101

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2022-41053

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

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 perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 7 - 11 22H2

Windows Server: 2008 - 2022 20H2

CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41053

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU69104

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2022-37967

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

Exploit availability: No

Description

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

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 7 - 11 22H2

Windows Server: 2008 - 2022 20H2

CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-37967

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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