nvd-json-data-feeds/CVE-2018/CVE-2018-10001xx/CVE-2018-1000159.json

{
  "id": "CVE-2018-1000159",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2018-04-18T19:29:00.333",
  "lastModified": "2024-11-21T03:39:49.093",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "tlslite-ng version 0.7.3 and earlier, since commit d7b288316bca7bcdd082e6ccff5491e241305233 contains a CWE-354: Improper Validation of Integrity Check Value vulnerability in TLS implementation, tlslite/utils/constanttime.py: ct_check_cbc_mac_and_pad(); line \"end_pos = data_len - 1 - mac.digest_size\" that can result in an attacker manipulating the TLS ciphertext which will not be detected by receiving tlslite-ng. This attack appears to be exploitable via man in the middle on a network connection. This vulnerability appears to have been fixed after commit 3674815d1b0f7484454995e2737a352e0a6a93d8."
    },
    {
      "lang": "es",
      "value": "tlslite-ng, en versiones 0.7.3 y anteriores, desde el commit con ID d7b288316bca7bcdd082e6ccff5491e241305233, contiene un CWE-354: vulnerabilidad de validaci\u00f3n incorrecta del valor de comprobaci\u00f3n de integridad en la implementaci\u00f3n TLS, tlslite/utils/constanttime.py: ct_check_cbc_mac_and_pad(); en la l\u00ednea \"end_pos = data_len - 1 - mac.digest_size\" que puede resultar en que un atacante manipule el texto cifrado TLS, que no ser\u00e1 detectado por recibir tlslite-ng. El ataque parece ser explotable mediante un Man-in-the-Middle (MitM) en una conexi\u00f3n de red. La vulnerabilidad parece haber sido solucionada tras el commit con ID 3674815d1b0f7484454995e2737a352e0a6a93d8."
    }
  ],
  "metrics": {
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        "type": "Primary",
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          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
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        "exploitabilityScore": 2.2,
        "impactScore": 3.6
      }
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          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
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        "obtainAllPrivilege": false,
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          "cpeMatch": [
            {
              "vulnerable": true,
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  "references": [
    {
      "url": "https://github.com/tomato42/tlslite-ng/pull/234",
      "source": "cve@mitre.org",
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