{
  "id": "CVE-2020-36315",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-04-07T21:15:15.870",
  "lastModified": "2022-07-12T17:42:04.277",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "In RELIC before 2020-08-01, RSA PKCS#1 v1.5 signature forgery can occur because certain checks of the padding (and of the first two bytes) are inadequate. NOTE: this requires that a low public exponent (such as 3) is being used. The product, by default, does not generate RSA keys with such a low number."
    },
    {
      "lang": "es",
      "value": "En RELIC antes del 01-08-2020, la falsificaci\u00f3n de firma RSA PKCS # 1 v1.5 puede ocurrir porque determinadas comprobaciones de relleno (y de los primeros dos bytes) son inadecuadas. NOTA: esto requiere que un exponente p\u00fablico bajo sea utilizado (como 3). El producto, por defecto, no genera claves RSA con un n\u00famero tan bajo"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "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:relic_project:relic:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2020-08-01",
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  "references": [
    {
      "url": "https://github.com/relic-toolkit/relic/",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
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      "url": "https://github.com/relic-toolkit/relic/commit/76c9a1fdf19d9e92e566a77376673e522aae9f80",
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      "tags": [
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        "Third Party Advisory"
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    {
      "url": "https://github.com/relic-toolkit/relic/issues/154",
      "source": "cve@mitre.org",
      "tags": [
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    },
    {
      "url": "https://github.com/relic-toolkit/relic/tree/32eb4c257fc80328061d66639b1cdb35dbed51a2",
      "source": "cve@mitre.org",
      "tags": [
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}