Description
Sitecore Experience Platform (XP) prior to 9.1.1 is vulnerable to remote code execution via deserialization, aka TFS # 293863. An authenticated user with necessary permissions is able to remotely execute OS commands by sending a crafted serialized object.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Sitecore 8.x - Deserialization Remote Code Execution EDB-46987 · webapps · Jun 13, 2019
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- https://dev.sitecore.net/Downloads/Sitecore%20Experience%20Platform/91/Sitecore%20Experience%20Platform%2091%20Update1/Release%20Notes
- https://github.com/minecrater/exploits/blob/master/Sitecore8xDeserialRCE
- http://packetstormsecurity.com/files/153274/Sitecore-8.x-Deserialization-Remote-Code-Execution.html