SB2022080954 - Denial of service in Microsoft Outlook
Published: August 9, 2022 Updated: August 18, 2022
Security Bulletin ID
SB2022080954
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2022-35742)
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 update from vendor's website.