CVE-2020-28042

Published: Nov 1, 2020

Modified: Aug 4, 2024

PUBLISHED

Description

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

https://forums.servicestack.net/t/servicestack-v5-9-2-released/8850

x_refsource_MISC

https://github.com/ServiceStack/ServiceStack/commit/540d4060e877a03ae95343c1a8560a26768585ee

x_refsource_MISC

https://www.shielder.it/blog/2020/11/re-discovering-a-jwt-authentication-bypass-in-servicestack/

x_refsource_MISC

https://www.shielder.it/advisories/servicestack-jwt-signature-verification-bypass/

x_refsource_MISC

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CVE-2020-28042

Description

Affected Products

References