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Budabot 4.0 Denial Of Service Vulnerability
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<!-- # Exploit Title: Budabot !calc Denial of Service # Exploit Author: Ryan Delaney # Author Contact: ryan.delaney@owasp.org # Author LinkedIn: https://www.linkedin.com/in/infosecrd/ # Vendor Homepage: http://budabot.com/ # Software Link: https://github.com/Budabot/Budabot/releases # Version: 0.6 -> 4.0 # Tested on: 4.0 # CVE: CVE-2018-19290 1. Description In modules/HELPBOT_MODULE in Budabot 0.6 through 4.0, lax syntax validation allows remote attackers to perform a command injection attack against the PHP daemon with a crafted command, resulting in a denial of service or possibly unspecified other impact. In versions before 3.0, modules/HELPBOT_MODULE/calc.php has the vulnerable code; in 3.0 and above, modules/HELPBOT_MODULE/HelpbotController.class.php has the vulnerable code. 2. Proof of Concept Start the Budabot listener, set valid configuration options, and wait for the chatbot to announce it's ready in-game. Send the chatbot a private message containing "!calc 5 x 5", and the Budabot listener will terminate. 3. Solution Edit the relevant file to remove "x" and " " (space) from the strspn() mask. --> # 0day.today [2024-11-16] #