Frappe ERPNext versions before 16.34.1 fail to validate that Financial Report Template calculation_formula values reference whitelisted methods before passing them to frappe.call(). Accounts Managers can supply arbitrary dotted Python paths to invoke non-whitelisted internal server-side methods and read their return values.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Frappe Erpnext
cpe:2.3:a:frappe:erpnext:*:*:*:*:*:*:*:*
|
16.0.0
|
16.34.1
|
References 6
https://github.com/frappe/erpnext
disclosure@vulncheck.com
https://github.com/frappe/erpnext/blob/v16.34.0/erpnext/accounts/doctype/financ…
disclosure@vulncheck.com
https://github.com/frappe/erpnext/blob/v16.34.0/erpnext/accounts/doctype/financ…
disclosure@vulncheck.com
https://github.com/frappe/erpnext/commit/7aad59b129711e9bba17b25665428d1fc57bf3…
disclosure@vulncheck.com
https://github.com/frappe/erpnext/security/advisories/GHSA-794x-fhm7-58j7
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/frappe-erpnext-before-16.34.1-unauthorized…
disclosure@vulncheck.com