Description
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.
No analysis available yet.
Remediation
No remediation available yet.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2022-2037 | 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. |
Github GHSA |
GHSA-2qp9-wg27-9pcv | Nimbus JOSE+JWT missing overflow check |
References
History
No history.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-05T18:51:07.371Z
Reserved: 2017-08-20T00:00:00.000Z
Link: CVE-2017-12972
No data.
Status : Deferred
Published: 2017-08-20T16:29:00.237
Modified: 2025-04-20T01:37:25.860
Link: CVE-2017-12972
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD
Github GHSA