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Change History

RustFS is a distributed object storage system built in Rust. From 1.0.0-alpha.1 until 1.0.0-beta.9, when the FTP frontend is enabled, the FTP read and probe handlers dispatch directly to the storage backend without ever calling the IAM authorization function that the FTP write/list handlers (and the entire HTTP S3 path) use. As a result, any user who can authenticate to the FTP listener — including a user whose IAM policy contains an explicit Deny on s3:GetObject — can read (RETR) and stat (SIZE/MDTM) any object in any bucket, and probe any bucket (CWD), completely regardless of their IAM policy. This vulnerability is fixed in 1.0.0-beta.9.

AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

CWE-862

CWE-863

https://github.com/rustfs/rustfs/security/advisories/GHSA-3g29-xff2-92vp

[{"vendor":"rustfs","product":"rustfs","versions":[{"version":">= 1.0.0-alpha.1, <= 1.0.0-beta.8","status":"affected"}]}]