When uploading a file in Sysax Multi Server 6.90, an authenticated user can modify the filename=”” parameter in the uploadfile_name1.htm form to a length of 368 or more bytes. This will create a buffer overflow condition, causing the application to crash.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-23574
Reference (s):
- https://www.hosaka.co.uk/2020/06/08/sysax-multi-server-buffer-overflow/