GSD-2020-36565

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
Due to improper sanitization of user input on Windows, the static file handler allows for directory traversal, allowing an attacker to read files outside of the target directory that the server has permission to read.
Aliases
Aliases
CVE-2020-36565
To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-36565",
    "id": "GSD-2020-36565"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-36565"
      ],
      "details": "Due to improper sanitization of user input on Windows, the static file handler allows for directory traversal, allowing an attacker to read files outside of the target directory that the server has permission to read.",
      "id": "GSD-2020-36565",
      "modified": "2023-12-13T01:21:55.778561Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@golang.org",
        "ID": "CVE-2020-36565",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "github.com/labstack/echo/v4",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "0",
                          "version_value": "4.1.18-0.20201215153152-4422e3b66b9f"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "github.com/labstack/echo/v4"
            }
          ]
        }
      },
      "credits": [
        {
          "lang": "en",
          "value": "@little-cui (Apache ServiceComb)"
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Due to improper sanitization of user input on Windows, the static file handler allows for directory traversal, allowing an attacker to read files outside of the target directory that the server has permission to read."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE 22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/labstack/echo/pull/1718",
            "refsource": "MISC",
            "url": "https://github.com/labstack/echo/pull/1718"
          },
          {
            "name": "https://github.com/labstack/echo/commit/4422e3b66b9fd498ed1ae1d0242d660d0ed3faaa",
            "refsource": "MISC",
            "url": "https://github.com/labstack/echo/commit/4422e3b66b9fd498ed1ae1d0242d660d0ed3faaa"
          },
          {
            "name": "https://pkg.go.dev/vuln/GO-2021-0051",
            "refsource": "MISC",
            "url": "https://pkg.go.dev/vuln/GO-2021-0051"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003cv4.2.0",
          "affected_versions": "All versions before 4.2.0",
          "cwe_ids": [
            "CWE-1035",
            "CWE-937"
          ],
          "date": "2022-12-07",
          "description": "Due to improper sanitization of user input on Windows, the static file handler allows for directory traversal, allowing an attacker to read files outside of the target directory that the server has permission to read.",
          "fixed_versions": [
            "v4.2.0"
          ],
          "identifier": "CVE-2020-36565",
          "identifiers": [
            "GHSA-j453-hm5x-c46w",
            "CVE-2020-36565"
          ],
          "not_impacted": "All versions starting from 4.2.0",
          "package_slug": "go/github.com/labstack/echo/v4",
          "pubdate": "2022-12-07",
          "solution": "Upgrade to version 4.2.0 or above.",
          "title": "Echo vulnerable to directory traversal",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-36565",
            "https://github.com/labstack/echo/pull/1718",
            "https://github.com/labstack/echo/commit/4422e3b66b9fd498ed1ae1d0242d660d0ed3faaa",
            "https://pkg.go.dev/vuln/GO-2021-0051",
            "https://github.com/advisories/GHSA-j453-hm5x-c46w"
          ],
          "uuid": "f5e67cc5-92f2-408d-ac8c-c647ec7122da",
          "versions": [
            {
              "commit": {
                "sha": "b0f56eaf969bf5f8a6e4b6727f3f5fc7f44f36a0",
                "tags": [
                  "v4.2.0"
                ],
                "timestamp": "20210211183516"
              },
              "number": "v4.2.0"
            }
          ]
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:a:labstack:echo:*:*:*:*:*:go:*:*",
                    "cpe_name": [],
                    "versionEndExcluding": "4.2.0",
                    "vulnerable": true
                  }
                ],
                "operator": "OR"
              },
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "vulnerable": false
                  }
                ],
                "operator": "OR"
              }
            ],
            "cpe_match": [],
            "operator": "AND"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security@golang.org",
          "ID": "CVE-2020-36565"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Due to improper sanitization of user input on Windows, the static file handler allows for directory traversal, allowing an attacker to read files outside of the target directory that the server has permission to read."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-22"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://pkg.go.dev/vuln/GO-2021-0051",
              "refsource": "MISC",
              "tags": [
                "Release Notes",
                "Vendor Advisory"
              ],
              "url": "https://pkg.go.dev/vuln/GO-2021-0051"
            },
            {
              "name": "https://github.com/labstack/echo/pull/1718",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/labstack/echo/pull/1718"
            },
            {
              "name": "https://github.com/labstack/echo/commit/4422e3b66b9fd498ed1ae1d0242d660d0ed3faaa",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/labstack/echo/commit/4422e3b66b9fd498ed1ae1d0242d660d0ed3faaa"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2022-12-12T15:18Z",
      "publishedDate": "2022-12-07T17:15Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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