Vulnerability Report: GO-2022-0187
- CVE-2017-8932
- Affects: crypto/elliptic
- Published: Jul 01, 2022
- Modified: Jun 12, 2023
The ScalarMult implementation of curve P-256 for amd64 architectures generates incorrect results for certain specific input points. An adaptive attack can progressively extract the scalar input to ScalarMult by submitting crafted points and observing failures to derive correct output. This leads to a full key recovery attack against static ECDH, as used in popular JWT libraries.
Affected Packages
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PathVersionsSymbols
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from go1.6.0-0 before go1.7.6, from go1.8.0-0 before go1.8.2all symbols
Aliases
References
- https://go.dev/cl/41070
- https://go.googlesource.com/go/+/9294fa2749ffee7edbbb817a0ef9fe633136fa9c
- https://go.dev/issue/20040
- https://groups.google.com/g/golang-announce/c/B5ww0iFt1_Q/m/TgUFJV14BgAJ
- https://vuln.go.dev/ID/GO-2022-0187.json
Credits
- Vlad KrasnovFilippo Valsorda at Cloudflare
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