{
  "schema_version": "1.3.1",
  "id": "GO-2023-2000",
  "modified": "0001-01-01T00:00:00Z",
  "published": "0001-01-01T00:00:00Z",
  "aliases": [
    "CVE-2023-39533",
    "GHSA-876p-8259-xjgg"
  ],
  "summary": "Large RSA keys can cause high resource usage in github.com/libp2p/go-libp2p",
  "details": "Large RSA keys can lead to resource exhaustion attacks.\n\nWith fix, the size of RSA keys transmitted during handshakes is restricted to \u003c= 8192 bits.",
  "affected": [
    {
      "package": {
        "name": "github.com/libp2p/go-libp2p",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.27.8"
            },
            {
              "introduced": "0.28.0"
            },
            {
              "fixed": "0.28.2"
            },
            {
              "introduced": "0.29.0"
            },
            {
              "fixed": "0.29.1"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "github.com/libp2p/go-libp2p/core/crypto",
            "symbols": [
              "GenerateKeyPair",
              "GenerateKeyPairWithReader",
              "GenerateRSAKeyPair",
              "UnmarshalRsaPrivateKey",
              "UnmarshalRsaPublicKey"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/libp2p/go-libp2p/security/advisories/GHSA-876p-8259-xjgg"
    },
    {
      "type": "REPORT",
      "url": "https://go.dev/issue/61460"
    },
    {
      "type": "FIX",
      "url": "https://github.com/libp2p/go-libp2p/commit/0cce607219f3710addc7e18672cffd1f1d912fbb"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2023-2000"
  }
}