{
  "schema_version": "1.3.1",
  "id": "GO-2022-0968",
  "modified": "0001-01-01T00:00:00Z",
  "published": "2022-09-13T03:32:38Z",
  "aliases": [
    "CVE-2021-43565",
    "GHSA-gwc9-m7rh-j2ww"
  ],
  "summary": "Panic on malformed packets in golang.org/x/crypto/ssh",
  "details": "Unauthenticated clients can cause a panic in SSH servers.\n\nWhen using AES-GCM or ChaCha20Poly1305, consuming a malformed packet which contains an empty plaintext causes a panic.",
  "affected": [
    {
      "package": {
        "name": "golang.org/x/crypto",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.0.0-20211202192323-5770296d904e"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "golang.org/x/crypto/ssh",
            "symbols": [
              "Dial",
              "NewClientConn",
              "NewServerConn",
              "chacha20Poly1305Cipher.readCipherPacket",
              "curve25519sha256.Client",
              "curve25519sha256.Server",
              "dhGEXSHA.Client",
              "dhGEXSHA.Server",
              "dhGroup.Client",
              "dhGroup.Server",
              "ecdh.Client",
              "ecdh.Server",
              "gcmCipher.readCipherPacket"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "WEB",
      "url": "https://groups.google.com/g/golang-announce/c/2AR1sKiM-Qs"
    },
    {
      "type": "REPORT",
      "url": "https://go.dev/issues/49932"
    },
    {
      "type": "FIX",
      "url": "https://go.dev/cl/368814/"
    }
  ],
  "credits": [
    {
      "name": "Rod Hynes (Psiphon Inc)"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2022-0968"
  }
}