XML Entity Expansion in trytond and proteus
Date: 2022-03
Affected: pip/proteus, pip/proteus, pip/proteus
Attack vector: other
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2022-26661
CVE-2022-26662
CWE: CWE-611
CWE-776
CVSS: 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

An XML Entity Expansion (XEE) issue was discovered in Tryton Application Platform (Server) 5.x through 5.0.45, 6.x through 6.0.15, and 6.1.x and 6.2.x through 6.2.5, and Tryton Application Platform (Command Line Client (proteus)) 5.x through 5.0.11, 6.x through 6.0.4, and 6.1.x and 6.2.x through 6.2.1. An unauthenticated user can send a crafted XML-RPC message to consume all the resources of the server.


Mitigations:

Architectural layers (MAESTRO):