Microsoft Exchange FileLog Exposed Dangerous Function Denial-of-Service Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to delete arbitrary files and create a denial-of-service condition on affected installations of Microsoft Exchange. Authentication is required to exploit this vulnerability.
The specific flaw exists within the FileLog class. The issue results from the exposure of a dangerous function. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
Additional Details
Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41082
Disclosure Timeline
- 2022-09-29 - Vulnerability reported to vendor
- 2022-11-22 - Coordinated public release of advisory
Credit
Piotr Bazydlo (@chudypb) of Trend Micro Zero Day Initiative