Multiple vulnerabilities in Microsoft Windows Kernel
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 6 |
| CVE-ID | CVE-2024-21345 CVE-2024-21371 CVE-2024-21341 CVE-2024-21340 CVE-2024-21338 CVE-2024-21362 |
| CWE-ID | CWE-264 CWE-362 CWE-20 CWE-200 CWE-119 CWE-254 |
| Exploitation vector | Local |
| Public exploit | Vulnerability #5 is being exploited in the wild. |
| Vulnerable software Subscribe |
Windows Server Operating systems & Components / Operating system Windows Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 6 vulnerabilities.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU86457
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-2024-21345
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in the Windows Kernel, which leads to security restrictions bypass and privilege escalation.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows Server: 2019 10.0.17763.1 - 2022 23H2
External linkshttp://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21345
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) Race condition
EUVDB-ID: #VU86462
Risk: Low
CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-21371
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition in the Windows Kernel. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows: 10 - 11 23H2 10.0.22631.2428
Windows Server: 2012 - 2022 23H2
External linkshttp://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21371
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.
3) Input validation error
EUVDB-ID: #VU86461
Risk: Low
CVSSv3.1: 5.9 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-21341
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input in the Windows Kernel. An attacker with physical access can pass specially crafted input to the application and execute arbitrary code on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows: 10 - 11 23H2 10.0.22631.2428
Windows Server: 2019 10.0.17763.1 - 2022 23H2
External linkshttp://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21341
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Information disclosure
EUVDB-ID: #VU86460
Risk: Low
CVSSv3.1: 4 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-21340
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application in the Windows Kernel. An attacker with physical access can gain unauthorized access to sensitive information on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows: 10 - 11 23H2 10.0.22631.2428
Windows Server: 2008 - 2022 23H2
External linkshttp://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21340
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
5) Buffer overflow
EUVDB-ID: #VU86459
Risk: High
CVSSv3.1: 8.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: CVE-2024-21338
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: Yes
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the appid.sys AppLocker driver. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.
Note, the vulnerability is being actively exploited in the wild.
Install updates from vendor's website.
Vulnerable software versionsWindows: 10 - 11 23H2 10.0.22631.2428
Windows Server: 2019 10.0.17763.1 - 2022 23H2
External linkshttp://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21338
http://decoded.avast.io/janvojtesek/lazarus-and-the-fudmodule-rootkit-beyond-byovd-with-an-admin-to-kernel-zero-day/
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?
Yes. This vulnerability is being exploited in the wild.
6) Security features bypass
EUVDB-ID: #VU86458
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-21362
CWE-ID:
CWE-254 - Security Features
Exploit availability: No
DescriptionThe vulnerability allows a local user to compromise the target system.
The vulnerability exists due to security features bypass in the Windows Kernel. A local user can bypass the Windows Code Integrity Guard (CIG).
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows: 10 - 11 23H2 10.0.22631.2428
Windows Server: 2016 10.0.14393.10 - 2022 23H2
External linkshttp://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21362
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.
