gsd-2020-7043
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL before 1.0.2. tunnel.c mishandles certificate validation because hostname comparisons do not consider '\0' characters, as demonstrated by a good.example.com\x00evil.example.com attack.
Aliases
Aliases
CVE-2020-7043


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-7043",
    "description": "An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL before 1.0.2. tunnel.c mishandles certificate validation because hostname comparisons do not consider \u0027\\0\u0027 characters, as demonstrated by a good.example.com\\x00evil.example.com attack.",
    "id": "GSD-2020-7043",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-7043.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-7043"
      ],
      "details": "An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL before 1.0.2. tunnel.c mishandles certificate validation because hostname comparisons do not consider \u0027\\0\u0027 characters, as demonstrated by a good.example.com\\x00evil.example.com attack.",
      "id": "GSD-2020-7043",
      "modified": "2023-12-13T01:21:52.191380Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-7043",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
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          }
        ]
      },
      "problemtype": {
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              {
                "lang": "eng",
                "value": "n/a"
              }
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      },
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        "reference_data": [
          {
            "name": "https://github.com/adrienverge/openfortivpn/issues/536",
            "refsource": "MISC",
            "url": "https://github.com/adrienverge/openfortivpn/issues/536"
          },
          {
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          {
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          },
          {
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            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00011.html"
          },
          {
            "name": "FEDORA-2020-42eb8821db",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SRVVNXCNTNMPCIAZIVR4FAGYCSU53FNA/"
          },
          {
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          },
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          },
          {
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          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
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                "children": [],
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          {
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            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*",
                "cpe_name": [],
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            }
          ]
        },
        "problemtype": {
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                  "value": "CWE-295"
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        },
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 6.4,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.2
        }
      },
      "lastModifiedDate": "2020-10-09T14:58Z",
      "publishedDate": "2020-02-27T18:15Z"
    }
  }
}


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