Multiple vulnerabilities in Microsoft Windows Cryptographic Services

Published: 2024-04-10

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-29050 CVE-2024-26228
CWE-ID	CWE-20 CWE-254
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: #VU88342

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-29050

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to numeric truncation error in Windows Cryptographic Services. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 - 11 23H2

Windows Server: 2008 - 2022 23H2

External links

http://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-29050

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Security features bypass

EUVDB-ID: #VU88343

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26228

CWE-ID: CWE-254 - Security Features