Title: Qstat Buffer Overflow Vulnerability
Severity: MODERATE
Description:
There exists a buffer overflow in the qstat program. qsat is a commonly used program for querying the status of remote Quake servers. It runs on several platforms and is also the backend behind some GUI Quake query tools.
The risk is not as high as the vulnerability is only exploitable when the "-old" flag is given. The program defaults to not using this flag.
The effending section of code:
char name[100]
....
sprintf( name, "\"%s\"", server->server_name);
server->server_name is a dynamically allocated string, and its content and length are under the control of the remote quake server. This or similar vulnerabilities may exist in older versions of the software.
Affected Products:
- Steve Jankowski qstat 2.0.0b
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