CVE-2019-1258 – Azure Active Directory Authentication Library Elevation of Privilege Vulnerability

https://notcve.org/view.php?id=CVE-2019-1258

An elevation of privilege vulnerability exists in Azure Active Directory Authentication Library On-Behalf-Of flow, in the way the library caches tokens. This vulnerability allows an authenticated attacker to perform actions in context of another user. The authenticated attacker can exploit this vulneraiblity by accessing a service configured for On-Behalf-Of flow that assigns incorrect tokens. This security update addresses the vulnerability by removing fallback cache look-up for On-Behalf-Of scenarios. Existe una vulnerabilidad de elevación de privilegios en Azure Active Directory Authentication Library del lado de la transmisión, en la manera en que la biblioteca almacena en caché los tokens, también se conoce como "Azure Active Directory Authentication Library Elevation of Privilege Vulnerability". • https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1258 •