{
  "schema_version": "1.3.1",
  "id": "GO-2023-2385",
  "modified": "0001-01-01T00:00:00Z",
  "published": "0001-01-01T00:00:00Z",
  "aliases": [
    "CVE-2023-26154",
    "GHSA-5844-q3fc-56rh"
  ],
  "summary": "Insufficient entropy in AES-256-CBC in github.com/pubnub/go",
  "details": "There is insufficient entropy in the implementation of the AES-256-CBC cryptographic algorithm. The provided encrypt functions are less secure when hex encoding and trimming are applied, leaving half of the bits in the key always the same for every encoded message or file.\n\nUsers are encouraged to migrate to the new crypto package introduced in v7.2.0.",
  "affected": [
    {
      "package": {
        "name": "github.com/pubnub/go",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "github.com/pubnub/go/utils",
            "symbols": [
              "DecryptFile",
              "DecryptString",
              "EncryptCipherKey",
              "EncryptFile",
              "EncryptString",
              "SerializeAndEncrypt",
              "SerializeEncryptAndSerialize",
              "aesCipher",
              "generateIV",
              "padWithPKCS7",
              "unpadPKCS7"
            ]
          }
        ]
      }
    },
    {
      "package": {
        "name": "github.com/pubnub/go/v5",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "github.com/pubnub/go/v5/utils",
            "symbols": [
              "DecryptFile",
              "DecryptString",
              "EncryptCipherKey",
              "EncryptFile",
              "EncryptString",
              "SerializeAndEncrypt",
              "SerializeEncryptAndSerialize",
              "aesCipher",
              "generateIV",
              "padWithPKCS7",
              "unpadPKCS7"
            ]
          }
        ]
      }
    },
    {
      "package": {
        "name": "github.com/pubnub/go/v6",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "github.com/pubnub/go/v6/utils",
            "symbols": [
              "DecryptFile",
              "DecryptString",
              "EncryptCipherKey",
              "EncryptFile",
              "EncryptString",
              "SerializeAndEncrypt",
              "SerializeEncryptAndSerialize",
              "aesCipher",
              "generateIV",
              "padWithPKCS7",
              "unpadPKCS7"
            ]
          }
        ]
      }
    },
    {
      "package": {
        "name": "github.com/pubnub/go/v7",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "github.com/pubnub/go/v7/utils",
            "symbols": [
              "DecryptFile",
              "DecryptString",
              "EncryptCipherKey",
              "EncryptFile",
              "EncryptString",
              "SerializeAndEncrypt",
              "SerializeEncryptAndSerialize",
              "aesCipher",
              "generateIV",
              "padWithPKCS7",
              "unpadPKCS7"
            ]
          }
        ]
      }
    },
    {
      "package": {
        "name": "github.com/pubnub/go/v7",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "7.2.0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "github.com/pubnub/go/v7/crypto",
            "symbols": [
              "EncryptCipherKey",
              "NewAesCbcCryptoModule",
              "NewLegacyCryptoModule",
              "NewLegacyCryptor",
              "defaultExtendedCryptor.DecryptStream",
              "defaultExtendedCryptor.EncryptStream",
              "legacyAesCipher",
              "legacyCryptor.Decrypt",
              "legacyCryptor.DecryptStream",
              "legacyCryptor.Encrypt",
              "legacyCryptor.EncryptStream",
              "module.Decrypt",
              "module.DecryptStream",
              "module.Encrypt",
              "module.EncryptStream"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-5844-q3fc-56rh"
    },
    {
      "type": "FIX",
      "url": "https://github.com/pubnub/go/commit/428517fef5b901db7275d9f5a75eda89a4c28e08"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2023-2385"
  }
}