#VU66320 Heap-based buffer overflow in Microsoft products - CVE-2022-35742

 

#VU66320 Heap-based buffer overflow in Microsoft products - CVE-2022-35742

Published: August 9, 2022 / Updated: August 18, 2022


Vulnerability identifier: #VU66320
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-35742
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Microsoft Outlook
Microsoft Office
Microsoft 365 Apps for Enterprise
Microsoft Office LTSC
Software vendor:
Microsoft

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft Outlook when handling MIME headers. A remote attacker can send a specially crafted email to the victim and trigger heap corruption every time the email is processed by the application.

Successful exploitation may result in a perform a persistent denial-of-service condition.


Remediation

Install updates from vendor's website.

External links