The tough library (Rust/crates.io) prior to version 0.7.1 does not properly verify the threshold of cryptographic signatures. It allows an attacker to duplicate a valid signature in order to circumvent TUF requiring a minimum threshold of unique signatures before the metadata is considered valid. A fix is available in version 0.7.1. CVE-2020-6174 is assigned to the same vulnerability in the TUF reference implementation.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| tough(crates.io) | 0 | 0.7.1 | N/A |
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