CVE-2023-54345
HIGH severity · CVSS 8.8 · Code injection
8.8CVSS HIGH
Summary
Frappe Framework ERPNext 13.4.0 contains a sandbox escape vulnerability in RestrictedPython that allows authenticated users with System Manager role to execute arbitrary code by exploiting frame introspection. Attackers can create a server script via the /app/server-script endpoint and access the gi_frame attribute to traverse the call stack and invoke os.popen to execute system commands.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://erpnext.org
- https://frappeframework.com/docs/v13/user/en/desk/scripting/server-script
- https://github.com/frappe/frappe/
- https://github.com/frappe/frappe/blob/v13.4.0/frappe/utils/safe_exec.py#L42
- https://ur4ndom.dev/posts/2023-07-02-uiuctf-rattler-read/
- https://www.vulncheck.com/advisories/frappe-framework-erpnext-remote-code-executionAdvisory
- https://gist.github.com/lebr0nli/c2fc617390451f0e5a4c31c87d8720b6Exploit
- https://www.exploit-db.com/exploits/51580Exploit