Multiple vulnerabilities in Microsoft Windows DHCP Client
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2022-37980 CVE-2022-38026 |
| CWE-ID | CWE-119 CWE-200 |
| Exploitation vector | Local |
| 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) Buffer overflow
EUVDB-ID: #VU68221
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-37980
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the Windows DHCP Client service. A local user can send a specially crafted RPC call to the DHCP service, trigger memory corruption and execute arbitrary code with SYSTEM privileges.
Install updates from vendor's website.
Vulnerable software versionsWindows: 10 20H2 - 11 21H2
Windows Server: 2022 - 2022 20H2
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-37980
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Information disclosure
EUVDB-ID: #VU68216
Risk: Low
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-38026
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output in Windows DHCP Client. A local user can read User Mode Service Memory.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows: 7 - 11 21H2
Windows Server: 2008 - 2022 20H2
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-38026
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
