8.8

CVE-2019-1258

Azure Active Directory Authentication Library Elevation of Privilege Vulnerability

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Active Directory Authentication Library SwPlatform .net Version >= 5.0.5 < 5.2.0
Microsoft ≫ Active Directory Authentication Library Version 5.0.0 Update preview SwPlatform .net
Microsoft ≫ Active Directory Authentication Library Version 5.0.1 Update preview SwPlatform .net
Microsoft ≫ Active Directory Authentication Library Version 5.0.2 Update preview SwPlatform .net
Microsoft ≫ Active Directory Authentication Library Version 5.0.3 Update preview SwPlatform .net
Microsoft ≫ Nuget Version 5.2.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 3.8% 0.886
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 8.8 2.8 5.9
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NIST 6.5 8 6.4
AV:N/AC:L/Au:S/C:P/I:P/A:P
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1258
Patch
Vendor Advisory