Remote code execution in Windows MSHTML Platform



Published: 2023-09-12 | Updated: 2023-09-20
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-36805
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Microsoft Internet Explorer
Client/Desktop applications / Web browsers

Vendor Microsoft

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU80652

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-36805

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input in Windows MSHTML. A remote attacker can trick the victim to open a specially crafted website or an HTML file and execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 - 11 22H2

Windows Server: 2012 R2 - 2022 20H2

Microsoft Internet Explorer: 11 - 11.1790.17763.0

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-36805
http://www.zerodayinitiative.com/advisories/ZDI-23-1446/


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.



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