CVE-2019-20634

https://notcve.org/view.php?id=CVE-2019-20634

An issue was discovered in Proofpoint Email Protection through 2019-09-08. By collecting scores from Proofpoint email headers, it is possible to build a copy-cat Machine Learning Classification model and extract insights from this model. The insights gathered allow an attacker to craft emails that receive preferable scores, with a goal of delivering malicious emails. Se detectó un problema en Proofpoint Email Protection hasta el 08-09-2019. Mediante la recopilación de puntajes de los encabezados de correo electrónico de Proofpoint, es posible construir un modelo Machine Learning Classification copy-cat y extraer información de este modelo. • https://github.com/moohax/Proof-Pudding https://github.com/moohax/Talks/blob/master/slides/DerbyCon19.pdf https://www.proofpoint.com/us/security/CVE-2019-20634 https://www.proofpoint.com/us/security/security-advisories/pfpt-sn-2020-0001 • CWE-697: Incorrect Comparison •