| パッケージ | 影響を受けるバージョン | 修正済みバージョン |
|---|---|---|
| github.com/theupdateframework/go-tuf/v2 | < 2.3.1 | 2.3.1 |
| go-tuf | ≥ 2.0.0, < 2.3.1 | 2.3.1 |
A compromised or misconfigured TUF repository can have the configured value of signature thresholds set to 0, which effectively disables signature verification.
Unathorized modification to TUF metadata files is possible at rest, or during transit as no integrity checks are made.
Upgrade to v2.3.1
Always make sure that the TUF metadata roles are configured with a threshold of at least 1.
The metadata.VerifyDelegate did not verify the configured threshold prior to comparison. This means that a misconfigured TUF repository could disable the signature verification by setting the threshold to 0, or a negative value (and so always make the signature threshold computation to pass).
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