FKIE_CVE-2023-33242

Vulnerability from fkie_nvd - Published: 2023-08-09 22:15 - Updated: 2024-11-21 08:05
Severity ?
9.6 (Critical) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Summary
Crypto wallets implementing the Lindell17 TSS protocol might allow an attacker to extract the full ECDSA private key by exfiltrating a single bit in every signature attempt (256 in total) because of not adhering to the paper's security proof's assumption regarding handling aborts after a failed signature.
References
disclosures@halborn.comhttps://eprint.iacr.org/2017/552.pdfExploit, Third Party Advisory
disclosures@halborn.comhttps://github.com/fireblocks-labs/mpc-ecdsa-attacks-23Exploit
disclosures@halborn.comhttps://github.com/fireblocks-labs/zengo-lindell17-exploit-pocExploit
disclosures@halborn.comhttps://www.fireblocks.com/blog/lindell17-abort-vulnerability-technical-report/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://eprint.iacr.org/2017/552.pdfExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/fireblocks-labs/mpc-ecdsa-attacks-23Exploit
af854a3a-2127-422b-91ae-364da2661108https://github.com/fireblocks-labs/zengo-lindell17-exploit-pocExploit
af854a3a-2127-422b-91ae-364da2661108https://www.fireblocks.com/blog/lindell17-abort-vulnerability-technical-report/Third Party Advisory
Impacted products
Vendor Product Version
lindell17_project lindell17 -
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:lindell17_project:lindell17:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "BCB206C8-258F-4DAD-AAF2-D38153F2C7A4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Crypto wallets implementing the Lindell17 TSS protocol might allow an attacker to extract the full ECDSA private key by exfiltrating a single bit in every signature attempt (256 in total) because of not adhering to the paper\u0027s security proof\u0027s assumption regarding handling aborts after a failed signature."
    }
  ],
  "id": "CVE-2023-33242",
  "lastModified": "2024-11-21T08:05:13.993",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 9.6,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.1,
        "impactScore": 5.8,
        "source": "disclosures@halborn.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2023-08-09T22:15:11.180",
  "references": [
    {
      "source": "disclosures@halborn.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://eprint.iacr.org/2017/552.pdf"
    },
    {
      "source": "disclosures@halborn.com",
      "tags": [
        "Exploit"
      ],
      "url": "https://github.com/fireblocks-labs/mpc-ecdsa-attacks-23"
    },
    {
      "source": "disclosures@halborn.com",
      "tags": [
        "Exploit"
      ],
      "url": "https://github.com/fireblocks-labs/zengo-lindell17-exploit-poc"
    },
    {
      "source": "disclosures@halborn.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.fireblocks.com/blog/lindell17-abort-vulnerability-technical-report/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://eprint.iacr.org/2017/552.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit"
      ],
      "url": "https://github.com/fireblocks-labs/mpc-ecdsa-attacks-23"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit"
      ],
      "url": "https://github.com/fireblocks-labs/zengo-lindell17-exploit-poc"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.fireblocks.com/blog/lindell17-abort-vulnerability-technical-report/"
    }
  ],
  "sourceIdentifier": "disclosures@halborn.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-74"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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