{
   "document": {
      "aggregate_severity": {
         "text": "high"
      },
      "category": "csaf_security_advisory",
      "csaf_version": "2.0",
      "distribution": {
         "tlp": {
            "label": "WHITE",
            "url": "https://www.first.org/tlp/"
         }
      },
      "lang": "en",
      "notes": [
         {
            "category": "description",
            "text": "CPAN 2.28 allows Signature Verification Bypass.",
            "title": "Vulnerability Description"
         }
      ],
      "publisher": {
         "category": "other",
         "contact_details": "gdt@cpan.org",
         "name": "giterlizzi",
         "namespace": "https://github.com/giterlizzi/"
      },
      "references": [
         {
            "category": "self",
            "summary": "CPANSA-CPAN-2020-16156 JSON",
            "url": "https://raw.githubusercontent.com/giterlizzi/perl-CPANSA-CSAF/develop/csaf/white/2021/cpansa-cpan-2020-16156.json"
         },
         {
            "category": "external",
            "summary": "https://metacpan.org/pod/distribution/CPAN/scripts/cpan",
            "url": "https://metacpan.org/pod/distribution/CPAN/scripts/cpan"
         },
         {
            "category": "external",
            "summary": "https://blog.hackeriet.no/cpan-signature-verification-vulnerabilities/",
            "url": "https://blog.hackeriet.no/cpan-signature-verification-vulnerabilities/"
         },
         {
            "category": "external",
            "summary": "http://blogs.perl.org/users/neilb/2021/11/addressing-cpan-vulnerabilities-related-to-checksums.html",
            "url": "http://blogs.perl.org/users/neilb/2021/11/addressing-cpan-vulnerabilities-related-to-checksums.html"
         },
         {
            "category": "external",
            "summary": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SZ32AJIV4RHJMLWLU5QULGKMMIHYOMDC/",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SZ32AJIV4RHJMLWLU5QULGKMMIHYOMDC/"
         },
         {
            "category": "external",
            "summary": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SD6RYOJII7HRJ6WVORFNVTYNOFY5JDXN/",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SD6RYOJII7HRJ6WVORFNVTYNOFY5JDXN/"
         },
         {
            "category": "external",
            "summary": "CVE-2020-16156 (NVD)",
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-16156"
         }
      ],
      "title": "CPAN vulnerability",
      "tracking": {
         "current_release_date": "2021-12-13T00:00:00",
         "generator": {
            "engine": {
               "name": "CSAF Perl Toolkit",
               "version": "0.26"
            }
         },
         "id": "CPANSA-CPAN-2020-16156",
         "initial_release_date": "2021-12-13T00:00:00",
         "revision_history": [
            {
               "date": "2021-12-13T00:00:00",
               "number": "1",
               "summary": "First release"
            }
         ],
         "status": "final",
         "version": "1"
      }
   },
   "product_tree": {
      "branches": [
         {
            "branches": [
               {
                  "category": "product_version_range",
                  "name": "vers:cpan/<2.28",
                  "product": {
                     "name": "CPAN less than 2.28",
                     "product_id": "CSAFPID-0001"
                  }
               },
               {
                  "category": "product_version_range",
                  "name": "vers:cpan/>=2.29",
                  "product": {
                     "name": "CPAN greater than or equal 2.29",
                     "product_id": "CSAFPID-0002"
                  }
               }
            ],
            "category": "product_name",
            "name": "CPAN"
         }
      ]
   },
   "vulnerabilities": [
      {
         "cve": "CVE-2020-16156",
         "cwe": {
            "id": "CWE-347",
            "name": "Improper Verification of Cryptographic Signature"
         },
         "notes": [
            {
               "category": "description",
               "text": "CPAN 2.28 allows Signature Verification Bypass.",
               "title": "Vulnerability Description"
            }
         ],
         "product_status": {
            "fixed": [
               "CSAFPID-0002"
            ],
            "known_affected": [
               "CSAFPID-0001"
            ]
         },
         "scores": [
            {
               "cvss_v2": {
                  "baseScore": 6.8,
                  "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
                  "version": "2.0"
               },
               "cvss_v3": {
                  "baseScore": 7.8,
                  "baseSeverity": "HIGH",
                  "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "version": "3.1"
               },
               "products": [
                  "CSAFPID-0001"
               ]
            }
         ]
      }
   ]
}