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GO-2026-5021

Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts

Details

Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.

Are you affected?

Enter the version of the package you're using.

Affected packages

Go / golang.org/x/crypto

Introduced in: 0 Fixed in: 0.52.0

Fix go get golang.org/x/crypto@v0.52.0

References

https://go.dev/issue/79568 [REPORT]
https://go.dev/cl/781220 [FIX]
https://groups.google.com/g/golang-announce/c/a082jnz-LvI [WEB]