Описание
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.
Ссылки
- https://nvd.nist.gov/vuln/detail/CVE-2017-12972
- 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@%3Ccommits.druid.apache.org%3E
Пакеты
com.nimbusds:nimbus-jose-jwt
< 4.39
4.39
Связанные уязвимости
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.
Уязвимость компонента AAD Handler Java-библиотеки Nimbus JOSE + JWT, связанная с недостаточной проверкой подлинности данных, позволяющая нарушителю оказать воздействие на конфиденциальность, целостность и доступность защищаемой информации