gsd-2021-3466
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A flaw was found in libmicrohttpd. A missing bounds check in the post_process_urlencoded function leads to a buffer overflow, allowing a remote attacker to write arbitrary data in an application that uses libmicrohttpd. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Only version 0.9.70 is vulnerable.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2021-3466",
    "description": "A flaw was found in libmicrohttpd. A missing bounds check in the post_process_urlencoded function leads to a buffer overflow, allowing a remote attacker to write arbitrary data in an application that uses libmicrohttpd. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Only version 0.9.70 is vulnerable.",
    "id": "GSD-2021-3466",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-3466.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-3466"
      ],
      "details": "A flaw was found in libmicrohttpd. A missing bounds check in the post_process_urlencoded function leads to a buffer overflow, allowing a remote attacker to write arbitrary data in an application that uses libmicrohttpd. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Only version 0.9.70 is vulnerable.",
      "id": "GSD-2021-3466",
      "modified": "2023-12-13T01:23:35.008237Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2021-3466",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "libmicrohttpd",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "libmicrohttpd 0.9.70"
                        }
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                    }
                  }
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              },
              "vendor_name": "n/a"
            }
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          }
        ]
      },
      "problemtype": {
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          {
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                "value": "CWE-120"
              }
            ]
          }
        ]
      },
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          },
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          },
          {
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          },
          {
            "name": "GLSA-202311-08",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/202311-08"
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        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
          {
            "children": [],
            "cpe_match": [
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                "cpe_name": [],
                "vulnerable": true
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            "operator": "OR"
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            "cpe_match": [
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          {
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                "cpe_name": [],
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            }
          ]
        },
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1939127",
              "refsource": "MISC",
              "tags": [
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                "Third Party Advisory"
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              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1939127"
            },
            {
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            },
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              "tags": [],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K5NEPVGP3L2CZHLZ4UB44PEILHKPDBOG/"
            },
            {
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              "tags": [],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/75HDMREKITMGPGE62NP7KE62ZJVLETXN/"
            },
            {
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              "tags": [],
              "url": "https://security.gentoo.org/glsa/202311-08"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 10.0,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 10.0,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "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:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-11-25T09:15Z",
      "publishedDate": "2021-03-25T19:15Z"
    }
  }
}


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