CVE-2020-28042
N/A
N/A
Summary
ServiceStack before 5.9.2 mishandles JWT signature verification unless an application has a custom ValidateToken function that establishes a valid minimum length for a signature.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | n/a | n/a | affected |
Weaknesses
- n/a
ADP Enrichment
CVE Program Container
Additional References
- https://forums.servicestack.net/t/servicestack-v5-9-2-released/8850
- https://github.com/ServiceStack/ServiceStack/commit/540d4060e877a03ae95343c1a8560a26768585ee
- https://www.shielder.it/blog/2020/11/re-discovering-a-jwt-authentication-bypass-in-servicestack/
- https://www.shielder.it/advisories/servicestack-jwt-signature-verification-bypass/
References
- https://forums.servicestack.net/t/servicestack-v5-9-2-released/8850
- https://github.com/ServiceStack/ServiceStack/commit/540d4060e877a03ae95343c1a8560a26768585ee
- https://www.shielder.it/blog/2020/11/re-discovering-a-jwt-authentication-bypass-in-servicestack/
- https://www.shielder.it/advisories/servicestack-jwt-signature-verification-bypass/
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