Half-Life 1.1 - Invalid Command Error Response Format String

Author: Luigi Auriemma
type: remote
platform: windows
port: 
date_added: 2003-09-29 
date_updated: 2012-12-18 
verified: 1 
codes:  
tags: 
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source: https://www.securityfocus.com/bid/8730/info

It has been reported that Half-Life clients may be prone to a format string vulnerability. The problem occurs when an invalid command is issued to the server, and an error response is returned and displayed by the client. If a format specifier were included within the invalid command, when displaying the error the format specifier would be interperted literally. This could potentially be exploited by a remote attacker to execute arbitrary code with the privileges of the Half-Life client.

https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/23198.zip