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GSD-2020-13432

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
rejetto HFS (aka HTTP File Server) v2.3m Build #300, when virtual files or folders are used, allows remote attackers to trigger an invalid-pointer write access violation via concurrent HTTP requests with a long URI or long HTTP headers.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2020-13432",
    "description": "rejetto HFS (aka HTTP File Server) v2.3m Build #300, when virtual files or folders are used, allows remote attackers to trigger an invalid-pointer write access violation via concurrent HTTP requests with a long URI or long HTTP headers.",
    "id": "GSD-2020-13432",
    "references": [
      "https://packetstormsecurity.com/files/cve/CVE-2020-13432"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-13432"
      ],
      "details": "rejetto HFS (aka HTTP File Server) v2.3m Build #300, when virtual files or folders are used, allows remote attackers to trigger an invalid-pointer write access violation via concurrent HTTP requests with a long URI or long HTTP headers.",
      "id": "GSD-2020-13432",
      "modified": "2023-12-13T01:21:47.318974Z",
      "schema_version": "1.4.0"
    }
  },
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      },
      "affects": {
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.rejetto.com/hfs/?f=wn",
            "refsource": "MISC",
            "url": "https://www.rejetto.com/hfs/?f=wn"
          },
          {
            "name": "https://github.com/rejetto/hfs2/commit/b8ebfc4e22948e1a61506cd66e397b61ea5ea5de",
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          },
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            "url": "http://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html"
          },
          {
            "name": "http://hyp3rlinx.altervista.org/advisories/HFS-HTTP-FILE-SERVER-v2.3-REMOTE-BUFFER-OVERFLOW-DoS.txt",
            "refsource": "MISC",
            "url": "http://hyp3rlinx.altervista.org/advisories/HFS-HTTP-FILE-SERVER-v2.3-REMOTE-BUFFER-OVERFLOW-DoS.txt"
          },
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            "url": "https://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html"
          },
          {
            "name": "20200609 CVE-2020-13432 - HFS HTTP File Server / Remote Buffer Overflow DoS",
            "refsource": "FULLDISC",
            "url": "http://seclists.org/fulldisclosure/2020/Jun/13"
          },
          {
            "name": "20210406 Trojan.Win32.Sharer.h / Known Vulnerable Component - Heap Corruption",
            "refsource": "FULLDISC",
            "url": "http://seclists.org/fulldisclosure/2021/Apr/12"
          }
        ]
      }
    },
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        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:rejetto:http_file_server:2.3m:*:*:*:*:*:*:*",
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              }
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            }
          ]
        },
        "problemtype": {
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                {
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                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html",
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            },
            {
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            },
            {
              "name": "https://www.rejetto.com/hfs/?f=wn",
              "refsource": "MISC",
              "tags": [
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              ],
              "url": "https://www.rejetto.com/hfs/?f=wn"
            },
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            },
            {
              "name": "20200609 CVE-2020-13432 - HFS HTTP File Server / Remote Buffer Overflow DoS",
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            },
            {
              "name": "http://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "http://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html"
            },
            {
              "name": "20210406 Trojan.Win32.Sharer.h / Known Vulnerable Component - Heap Corruption",
              "refsource": "FULLDISC",
              "tags": [],
              "url": "http://seclists.org/fulldisclosure/2021/Apr/12"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "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": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2021-04-06T13:15Z",
      "publishedDate": "2020-06-08T18:15Z"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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