CVE-2017-1000168: scalarmult() vulnerable to degenerate public keys

August 25, 2021 (updated June 13, 2023)

The scalarmult() function included in previous versions of this crate accepted all-zero public keys, for which the resulting Diffie-Hellman shared secret will always be zero regardless of the private key used.

This issue was fixed by checking for this class of keys and rejecting them if they are used.

References

github.com/advisories/GHSA-2wc6-2rcj-8v76
github.com/dnaq/sodiumoxide/issues/154
github.com/sodiumoxide/sodiumoxide
github.com/sodiumoxide/sodiumoxide/commit/24c7a5550807ac8a09648b5878f19d14c3a69135
nvd.nist.gov/vuln/detail/CVE-2017-1000168
rustsec.org/advisories/RUSTSEC-2017-0001.html

Code Behaviors & Features

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