Title: MDG Web Server 4D HTTP Command Buffer Overflow Vulnerability
Severity: HIGH
Description:
MDG Web Server 4D is a HTTP Server implemented on top of the 4th Dimension relational database. It runs on Microsoft Windows and Apple MacOS operating systems.
A buffer overflow vulnerability has been reported for MDG Web Server. The vulnerability exists when the web server attempts to process overly long HTTP requests. Specifically, when the web server processes a malformed HTTP request consisting of "<" or ">" characters, the web server will crash. This will result in a denial of service condition.
Although unconfirmed, this vulnerability may be exploited to execute attacker-supplied code with the privileges of the vulnerable web server.
The affected service must be restarted to restore normal functionality.
This vulnerability was reported for MDG Web Server 4D 3.60. It is likely that other versions are also affected.
Affected Products:
- MDG Computer Services Web Server 4D 3.6.0
References:
- "tom ferris" <badpack3t@security-protocols.com>: SP Research Labs Advisory x05
- MDG Computer Services: MDG Homepage
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