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 malicious user 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.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
|---|---|---|
microsoft active directory authentication library 5.0.3 |
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microsoft active directory authentication library 5.0.2 |
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microsoft active directory authentication library 5.0.1 |
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microsoft active directory authentication library 5.0.0 |
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microsoft active directory authentication library |
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microsoft nuget 5.2.0 |
Vulmon