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.
References
| Link | Resource |
|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1258 | Patch Vendor Advisory |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1258 | Patch Vendor Advisory |
Configurations
Configuration 1 (hide)
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History
21 Nov 2024, 04:36
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1258 - Patch, Vendor Advisory |
29 May 2024, 17:16
| Type | Values Removed | Values Added |
|---|---|---|
| Summary | (en) 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. |
Information
Published : 2019-08-14 21:15
Updated : 2024-11-21 04:36
NVD link : CVE-2019-1258
Mitre link : CVE-2019-1258
CVE.ORG link : CVE-2019-1258
JSON object : View
Products Affected
microsoft
- nuget
- active_directory_authentication_library
CWE