Insufficient data authenticity validation In com.nimbusds:nimbus-jose-jwt
Description
Nimbus JOSE+JWT missing overflow check In Nimbus JOSE+JWT before 4.39, there is no integer-overflow check when converting length values from bytes to bits, which allows attackers to conduct HMAC bypass attacks by shifting Additional Authenticated Data (AAD) and ciphertext so that different plaintext is obtained for the same HMAC.
Mitigation
Update Impact
Minimal update. May introduce new vulnerabilities or breaking changes.
Ecosystem | Package | Affected version | Patched versions |
|---|---|---|---|
 maven | 4.39 |
Aliases
1. 2. 3. 4.
References
1. 2. 3. 4.