CVE编号
CVE-2021-41106利用情况
暂无补丁情况
N/A披露时间
2021-09-29漏洞描述
JWT is a library to work with JSON Web Token and JSON Web Signature. Prior to versions 3.4.6, 4.0.4, and 4.1.5, users of HMAC-based algorithms (HS256, HS384, and HS512) combined with `Lcobucci\JWT\Signer\Key\LocalFileReference` as key are having their tokens issued/validated using the file path as hashing key - instead of the contents. The HMAC hashing functions take any string as input and, since users can issue and validate tokens, users are lead to believe that everything works properly. Versions 3.4.6, 4.0.4, and 4.1.5 have been patched to always load the file contents, deprecated the `Lcobucci\JWT\Signer\Key\LocalFileReference`, and suggest `Lcobucci\JWT\Signer\Key\InMemory` as the alternative. As a workaround, use `Lcobucci\JWT\Signer\Key\InMemory` instead of `Lcobucci\JWT\Signer\Key\LocalFileReference` to create the instances of one's keys.解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。
参考链接 |
|
|---|---|
| https://github.com/lcobucci/jwt/commit/8175de5b841fbe3fd97d2d49b3fc15c4ecb39a73 | |
| https://github.com/lcobucci/jwt/commit/c45bb8b961a8e742d8f6b88ef5ff1bd5cca5d01c | |
| https://github.com/lcobucci/jwt/security/advisories/GHSA-7322-jrq4-x5hf |
受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 应用 | jwt_project | jwt | * |
From (including) 3.4.0 |
Up to (excluding) 3.4.6 |
||||
| 运行在以下环境 | |||||||||
| 应用 | jwt_project | jwt | * |
From (including) 4.0.0 |
Up to (excluding) 4.0.4 |
||||
| 运行在以下环境 | |||||||||
| 应用 | jwt_project | jwt | * |
From (including) 4.1.0 |
Up to (excluding) 4.1.5 |
||||
- 攻击路径 本地
- 攻击复杂度 低
- 权限要求 低
- 影响范围 未更改
- 用户交互 无
- 可用性 无
- 保密性 低
- 完整性 低
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