Description
netdisk-fast-download through 0.4.8 contains an information disclosure vulnerability that allows unauthenticated attackers to retrieve donated netdisk credentials via the /v2/randomAuth endpoint in ParserApi. Attackers can repeatedly call the endpoint and decrypt the encryptedAuth blob using the hard-coded AES key nfd_auth_key2026 to recover other users' cloud-drive cookies, tokens, or passwords.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| qaiu | netdisk-fast-download | ≤ 0.4.8 | — |
References
- https://hackmd.io/@hieuPenguinnn/netdisk-fast-download-randomauth-donated-credential-disclosure third-party-advisory
- https://github.com/qaiu/netdisk-fast-download/blob/v0.4.8/web-service/src/main/java/cn/qaiu/lz/web/controller/ParserApi.java#L738-L752 technical-description
- https://github.com/qaiu/netdisk-fast-download/blob/v0.4.8/web-service/src/main/java/cn/qaiu/lz/common/util/AuthParamCodec.java#L31 technical-description
- https://github.com/qaiu/netdisk-fast-download product
- VulnCheck Advisory: netdisk-fast-download through 0.4.8 Credential Disclosure via /v2/randomAuth third-party-advisory