{
  "id": "CVE-2022-45195",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2022-11-12T19:15:10.707",
  "lastModified": "2022-11-17T17:06:36.037",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "SimpleXMQ before 3.4.0, as used in SimpleX Chat before 4.2, does not apply a key derivation function to intended data, which can interfere with forward secrecy and can have other impacts if there is a compromise of a single private key. This occurs in the X3DH key exchange for the double ratchet protocol."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-327"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:simplex:simplex_chat:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "4.2",
              "matchCriteriaId": "ECDE3D16-21FE-4B63-B058-36AE1FD86F2F"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:simplex:simplexmq:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "3.4.0",
              "matchCriteriaId": "A14D8103-1966-40FE-BD16-FEDC8A5A6018"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/simplex-chat/simplexmq/compare/v3.3.0...v3.4.0",
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/simplex-chat/simplexmq/pull/548",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/trailofbits/publications/blob/master/reviews/SimpleXChat.pdf",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Technical Description",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://simplex.chat/blog/20221108-simplex-chat-v4.2-security-audit-new-website.html",
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    }
  ]
}