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EUVD-2022-2037 · Published May 13, 2022
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.
Technologies
Connect2Id Nimbus Jose\+Jwt
Weaknesses
CWE-345
CVSS scores
- v3.07.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
MITRE ATT&CK
InferredWhere this vulnerability fits in an attack
Resource Development Initial Access Persistence Stealth Defense Impairment Credential Access Collection Impact
References
- https://bitbucket.org/connect2id/nimbus-jose-jwt/commits/0d2bd649ea386539220d4facfe1f65eb1dadb86c
- https://bitbucket.org/connect2id/nimbus-jose-jwt/issues/224/byte-to-bit-overflow-in-cbc
- https://bitbucket.org/connect2id/nimbus-jose-jwt/src/master/CHANGELOG.txt
- https://lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe%40%3Ccommits.druid.apache.org%3E
- https://nvd.nist.gov/vuln/detail/CVE-2017-12972
- https://lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe@%3Ccommits.druid.apache.org%3E
Potentially impacted assets
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