GSD-2020-28042

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
ServiceStack before 5.9.2 mishandles JWT signature verification unless an application has a custom ValidateToken function that establishes a valid minimum length for a signature.
Aliases
Aliases
CVE-2020-28042
To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-28042",
    "description": "ServiceStack before 5.9.2 mishandles JWT signature verification unless an application has a custom ValidateToken function that establishes a valid minimum length for a signature.",
    "id": "GSD-2020-28042"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-28042"
      ],
      "details": "ServiceStack before 5.9.2 mishandles JWT signature verification unless an application has a custom ValidateToken function that establishes a valid minimum length for a signature.",
      "id": "GSD-2020-28042",
      "modified": "2023-12-13T01:22:01.767875Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2020-28042",
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        "reference_data": [
          {
            "name": "https://forums.servicestack.net/t/servicestack-v5-9-2-released/8850",
            "refsource": "MISC",
            "url": "https://forums.servicestack.net/t/servicestack-v5-9-2-released/8850"
          },
          {
            "name": "https://github.com/ServiceStack/ServiceStack/commit/540d4060e877a03ae95343c1a8560a26768585ee",
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          }
        ]
      },
      "source": {
        "discovery": "INTERNAL"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "(,5.9.2)",
          "affected_versions": "All versions before 5.9.2",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-347",
            "CWE-937"
          ],
          "date": "2020-11-17",
          "description": "ServiceStack mishandles JWT signature verification unless an application has a custom ValidateToken function that establishes a valid minimum length for a signature.",
          "fixed_versions": [
            "5.9.2"
          ],
          "identifier": "CVE-2020-28042",
          "identifiers": [
            "CVE-2020-28042"
          ],
          "not_impacted": "All versions starting from 5.9.2",
          "package_slug": "nuget/ServiceStack",
          "pubdate": "2020-11-02",
          "solution": "Upgrade to version 5.9.2 or above.",
          "title": "Improper Verification of Cryptographic Signature",
          "urls": [
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            }
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://forums.servicestack.net/t/servicestack-v5-9-2-released/8850",
              "refsource": "MISC",
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2020-11-17T17:55Z",
      "publishedDate": "2020-11-02T21:15Z"
    }
  }
}


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