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ac125ee29a
As proposed in #240 and tracked in #414, this PR translates all advisories into the new "V3" advisory format, which is based on Markdown with leading TOML front matter. This format makes it easier to see rendered Markdown syntax descriptions, whether rendered by an IDE or GitHub. This should help with both crafting advisories initially as well as review, and ideally encourages more lengthy descriptions. Support for this format shipped in `cargo-audit` v0.12.0 on May 6th, 2020.
26 lines
798 B
Markdown
26 lines
798 B
Markdown
```toml
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[advisory]
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id = "RUSTSEC-2019-0019"
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package = "blake2"
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aliases = ["CVE-2019-16143"]
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categories = ["crypto-failure"]
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date = "2019-08-25"
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url = "https://github.com/RustCrypto/MACs/issues/19"
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[versions]
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patched = [">= 0.8.1"]
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```
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# HMAC-BLAKE2 algorithms compute incorrect results
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When used in conjunction with the Hash-based Message Authentication Code (HMAC),
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the BLAKE2b and BLAKE2s implementations in `blake2` crate versions prior to
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v0.8.1 used an incorrect block size (32-bytes instead of 64-bytes for BLAKE2s,
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and 64-bytes instead of 128-bytes for BLAKE2b), causing them to miscompute the
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`MacResult`.
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The v0.8.1 release of the `blake2` crate uses the correct block sizes.
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Note that this advisory only impacts usage of BLAKE2 with HMAC, and does not
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impact `Digest` functionality.
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