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22 lines
781 B
Markdown
22 lines
781 B
Markdown
```toml
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[advisory]
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id = "RUSTSEC-2021-0132"
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package = "compu-brotli-sys"
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date = "2021-12-20"
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url = "https://github.com/google/brotli/releases/tag/v1.0.9"
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categories = ["memory-corruption"]
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keywords = ["integer-overflow"]
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aliases = ["CVE-2020-8927", "GHSA-5v8v-66v8-mwm7"]
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[affected]
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[versions]
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patched = [">= 1.0.9"]
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```
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# Integer overflow in the bundled Brotli C library
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A buffer overflow exists in the Brotli library versions prior to 1.0.8 where an attacker controlling the input length of a "one-shot" decompression request to a script can trigger a crash, which happens when copying over chunks of data larger than 2 GiB.
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If one cannot update the C library, its authors recommend to use the "streaming" API as opposed to the "one-shot" API, and impose chunk size limits.
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