| { |
| "schema_version": "1.3.1", |
| "id": "GO-2020-0012", |
| "modified": "0001-01-01T00:00:00Z", |
| "published": "2021-04-14T20:04:52Z", |
| "aliases": [ |
| "CVE-2020-9283", |
| "GHSA-ffhg-7mh4-33c4" |
| ], |
| "summary": "Panic due to improper verification of cryptographic signatures in golang.org/x/crypto/ssh", |
| "details": "An attacker can craft an ssh-ed25519 or sk-ssh-ed25519@openssh.com public key, such that the library will panic when trying to verify a signature with it. If verifying signatures using user supplied public keys, this may be used as a denial of service vector.", |
| "affected": [ |
| { |
| "package": { |
| "name": "golang.org/x/crypto", |
| "ecosystem": "Go" |
| }, |
| "ranges": [ |
| { |
| "type": "SEMVER", |
| "events": [ |
| { |
| "introduced": "0" |
| }, |
| { |
| "fixed": "0.0.0-20200220183623-bac4c82f6975" |
| } |
| ] |
| } |
| ], |
| "ecosystem_specific": { |
| "imports": [ |
| { |
| "path": "golang.org/x/crypto/ssh", |
| "symbols": [ |
| "CertChecker.Authenticate", |
| "CertChecker.CheckCert", |
| "CertChecker.CheckHostKey", |
| "Certificate.Verify", |
| "Dial", |
| "NewClientConn", |
| "NewPublicKey", |
| "NewServerConn", |
| "NewSignerFromKey", |
| "NewSignerFromSigner", |
| "ParseAuthorizedKey", |
| "ParseKnownHosts", |
| "ParsePrivateKey", |
| "ParsePrivateKeyWithPassphrase", |
| "ParsePublicKey", |
| "ParseRawPrivateKey", |
| "ParseRawPrivateKeyWithPassphrase", |
| "ed25519PublicKey.Verify", |
| "parseED25519", |
| "parseSKEd25519", |
| "skEd25519PublicKey.Verify" |
| ] |
| } |
| ] |
| } |
| } |
| ], |
| "references": [ |
| { |
| "type": "FIX", |
| "url": "https://go.dev/cl/220357" |
| }, |
| { |
| "type": "FIX", |
| "url": "https://go.googlesource.com/crypto/+/bac4c82f69751a6dd76e702d54b3ceb88adab236" |
| }, |
| { |
| "type": "WEB", |
| "url": "https://groups.google.com/g/golang-announce/c/3L45YRc91SY" |
| } |
| ], |
| "credits": [ |
| { |
| "name": "Alex Gaynor, Fish in a Barrel" |
| } |
| ], |
| "database_specific": { |
| "url": "https://pkg.go.dev/vuln/GO-2020-0012", |
| "review_status": "REVIEWED" |
| } |
| } |