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Change History

GitHub, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

GitHub, Inc. CWE-770

Russh is a Rust SSH client & server library. Allocating an untrusted amount of memory allows any unauthenticated user to OOM a russh server. An SSH packet consists of a 4-byte big-endian length, followed by a byte stream of this length.
After parsing and potentially decrypting the 4-byte length, russh allocates enough memory for this bytestream, as a performance optimization to avoid reallocations later. But this length is entirely untrusted and can be set to any value by the client, causing thi

GitHub, Inc. https://github.com/Eugeny/russh/commit/f660ea3f64b86d11d19e33076012069f02431e55 [No types assigned]

GitHub, Inc. https://github.com/Eugeny/russh/security/advisories/GHSA-vgvv-x7xg-6cqg [No types assigned]