Multiple vulnerabilities in Microsoft Windows Kerberos



Published: 2022-09-13 | Updated: 2022-11-30
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-33679
CVE-2022-33647
CWE-ID CWE-264
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU67274

Risk: High

CVSSv3.1:

CVE-ID: CVE-2022-33679

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

Exploit availability: Yes

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows Server: 2003 - 2022 20H2


CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-33679
http://bugs.chromium.org/p/project-zero/issues/detail?id=2310

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU67276

Risk: High

CVSSv3.1:

CVE-ID: CVE-2022-33647

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

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows Server: 2003 - 2022 20H2


CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-33647
http://bugs.chromium.org/p/project-zero/issues/detail?id=2310

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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