Vulnerability Information
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Vulnerability Title
Padding Oracle Attack due to Observable Timing Discrepancy in jose
Vulnerability Description
jose is an npm library providing a number of cryptographic operations. In vulnerable versions AES_CBC_HMAC_SHA2 Algorithm (A128CBC-HS256, A192CBC-HS384, A256CBC-HS512) decryption would always execute both HMAC tag verification and CBC decryption, if either failed `JWEDecryptionFailed` would be thrown. A possibly observable difference in timing when padding error would occur while decrypting the ciphertext makes a padding oracle and an adversary might be able to make use of that oracle to decrypt data without knowing the decryption key by issuing on average 128*b calls to the padding oracle (where b is the number of bytes in the ciphertext block). All major release versions have had a patch released which ensures the HMAC tag is verified before performing CBC decryption. The fixed versions are `^1.28.1 || ^2.0.5 || >=3.11.4`. Users should upgrade their v1.x dependency to ^1.28.1, their v2.x dependency to ^2.0.5, and their v3.x dependency to ^3.11.4. Thanks to Jason from Microsoft Vulnerability Research (MSVR) for bringing this up and Eva Sarafianou (@esarafianou) for helping to score this advisory.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Vulnerability Type
通过差异性导致的信息暴露
Vulnerability Title
jose 安全漏洞
Vulnerability Description
npm jose是美国npm公司的一个应用软件。使用本机加密运行时不依赖项的JWA，JWS，JWE，JWT，JWK。 jose 存在安全漏洞，该漏洞源于当填充oracle解密密文时，填充错误可能会发生。
CVSS Information
N/A
Vulnerability Type
N/A