CVE-2023-54345

EUVD-2023-60566
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.
Code Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 27%
Affected Products (NVD)
VendorProductVersion
frappeerpnext
13.4.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://erpnext.org
https://frappeframework.com/docs/v13/user/en/desk/scripting/server-script
https://gist.github.com/lebr0nli/c2fc617390451f0e5a4c31c87d8720b6
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.exploit-db.com/exploits/51580
https://www.vulncheck.com/advisories/frappe-framework-erpnext-remote-code-execution