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 CVSS v3.1
Attack Vector Network
Attack Complexity Low
Privileges Required None
Scope Unchanged
Confidentiality Impact None
Integrity Impact High
Availability Impact None
User Interaction None
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
AV:N/AC:L/Au:N/C:N/I:P/A:N
| Vendors | Products |
|---|---|
| Connect2id |
|
Configuration 1 [-]
|
References
| Link | Resource |
|---|---|
| https://bitbucket.org/connect2id/nimbus-jose-jwt/commits/0d2bd649ea386539220d4facfe1f65eb1dadb86c | Third Party Advisory |
| https://bitbucket.org/connect2id/nimbus-jose-jwt/issues/224/byte-to-bit-overflow-in-cbc | Patch Third Party Advisory |
| https://bitbucket.org/connect2id/nimbus-jose-jwt/src/master/CHANGELOG.txt | Release Notes Third Party Advisory |
| https://lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe%40%3Ccommits.druid.apache.org%3E |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2017-08-20T16:00:00
Updated: 2019-11-16T01:06:58
Reserved: 2017-08-20T00:00:00
Link: CVE-2017-12972
JSON object: View
NVD Information
Status : Modified
Published: 2017-08-20T16:29:00.237
Modified: 2023-11-07T02:38:32.757
Link: CVE-2017-12972
JSON object: View
Redhat Information
No data.
CWE