Improper Signature Verification - [VULNERABILITY FIX] #11
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…e Verification. An attacker can craft an ssh-ed25519 or sk-ssh-...@openssh.com public key, such that the library will panic when trying to verify a signature with it. Clients can deliver such a public key and signature to any golang.org/x/crypto/ssh server with a PublicKeyCallback, and servers can deliver them to any golang.org/x/crypto/ssh client.
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Not exploitable. |
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Affected versions of this package are vulnerable to Improper Signature Verification. An attacker can craft an ssh-ed25519 or sk-ssh-...@openssh.com public key, such that the library will panic when trying to verify a signature with it. Clients can deliver such a public key and signature to any golang.org/x/crypto/ssh server with a PublicKeyCallback, and servers can deliver them to any golang.org/x/crypto/ssh client.