CVE-2023-43651: Remote code execution on the host system via MongoDB shell in jumpserver
Impact
An authenticated user can exploit a vulnerability in MongoDB sessions to execute arbitrary commands, leading to remote code execution. This vulnerability may further be leveraged to gain root privileges on the host system.
Details Through the WEB CLI interface provided by koko, a user logs into the authorized mongoDB database and exploits the MongoDB session to execute arbitrary commands.
admin> const { execSync } = require("childprocess") admin> console.log(execSync("id; hostname;").toString()) uid=0(root) gid=0(root) groups=0(root) jmskoko admin>
Patches Safe versions: - v2.28.20 - v3.7.1
Workarounds It is recommended to upgrade the safe versions.
After upgrade, you can use the same method to check whether the vulnerability is fixed. admin> console.log(execSync("id; hostname;").toString()) /bin/sh: line 1: /bin/hostname: Permission denied
References Thanks for Oskar Zeino-Mahmalat of Sonar found and report this vulnerability
Other sources
JumpServer is an open source bastion host. An authenticated user can exploit a vulnerability in MongoDB sessions to execute arbitrary commands, leading to remote code execution. This vulnerability may further be leveraged to gain root privileges on the system. Through the WEB CLI interface provided by the koko component, a user logs into the authorized mongoDB database and exploits the MongoDB session to execute arbitrary commands. This vulnerability has been addressed in versions 2.28.20 and 3.7.1. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2023-43651?
CVE-2023-43651 is a vulnerability in the MongoDB sessions of JumpServer that allows an authenticated user to execute arbitrary commands and potentially gain root privileges on the system.
What is the severity of CVE-2023-43651?
CVE-2023-43651 has a severity rating of 9.9 (Critical).
How does CVE-2023-43651 affect Fit2cloud JumpServer?
CVE-2023-43651 affects Fit2cloud JumpServer versions from 2.0.0 to 2.28.20 and versions from 3.0.0 to 3.7.1.
How can an authenticated user exploit CVE-2023-43651?
An authenticated user can exploit CVE-2023-43651 through the WEB CLI interface provided by JumpServer, allowing them to execute arbitrary commands and potentially gain root privileges.
Is there a fix available for CVE-2023-43651?
Yes, it is recommended to update Fit2cloud JumpServer to a version that is not affected by CVE-2023-43651 or apply the necessary patches provided by the vendor.