{"id":"CVE-2017-12972","details":"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.","aliases":["GHSA-2qp9-wg27-9pcv"],"modified":"2026-07-08T12:06:18.667958Z","published":"2017-08-20T16:29:00.237Z","database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:a:connect2id:nimbus_jose\\+jwt:1.0:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:1.10:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:1.11:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:1.12:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:1.1:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:1.2:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:1.3:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:1.4:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:1.5:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:1.6:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:1.7:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:1.8:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:1.9.1:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:1.9:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"1.0"},{"last_affected":"1.0"},{"introduced":"1.1"},{"last_affected":"1.1"},{"introduced":"1.2"},{"last_affected":"1.2"},{"introduced":"1.3"},{"last_affected":"1.3"},{"introduced":"1.4"},{"last_affected":"1.4"},{"introduced":"1.5"},{"last_affected":"1.5"},{"introduced":"1.6"},{"last_affected":"1.6"},{"introduced":"1.7"},{"last_affected":"1.7"},{"introduced":"1.8"},{"last_affected":"1.8"},{"introduced":"1.9"},{"last_affected":"1.9"},{"introduced":"1.9.1"},{"last_affected":"1.9.1"},{"introduced":"1.10"},{"last_affected":"1.10"},{"introduced":"1.11"},{"last_affected":"1.11"},{"introduced":"1.12"},{"last_affected":"1.12"}],"source":"CPE_STRING","vendor_product":"connect2id:nimbus_jose+jwt"}]},"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe%40%3Ccommits.druid.apache.org%3E"},{"type":"ADVISORY","url":"https://bitbucket.org/connect2id/nimbus-jose-jwt/commits/0d2bd649ea386539220d4facfe1f65eb1dadb86c"},{"type":"ADVISORY","url":"https://bitbucket.org/connect2id/nimbus-jose-jwt/src/master/CHANGELOG.txt"},{"type":"FIX","url":"https://bitbucket.org/connect2id/nimbus-jose-jwt/issues/224/byte-to-bit-overflow-in-cbc"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://bitbucket.org/connect2id/nimbus-jose-jwt","events":[{"introduced":"f46fe5204828a77b7a7c34977de9284e0da26085"},{"last_affected":"fb7850e081d2f04b889dec3e1d18f5bbc45c7f23"},{"fixed":"0d2bd649ea386539220d4facfe1f65eb1dadb86c"}],"database_specific":{"cpe":["cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.0:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.0.1:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.1:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.1.1:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.2:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.3:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.4:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.5:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.6:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.7:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.8:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.9:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.10:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.10.1:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.11.0:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.12.0:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.13.0:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.13.1:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.14:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.15:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.15.1:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.15.2:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.16:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.17:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.17.1:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.17.2:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.18:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.18.1:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.18.2:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.19:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.19.1:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.20:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.21:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.22:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.22.1:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.23:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.24:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.25:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.26:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\\+jwt:2.26.1:*:*:*:*:*:*:*","cpe:2.3:a:connect2id:nimbus_jose\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