Vulnerability-Lookup

CNVD-2021-33250

Vulnerability from cnvd - Published: 2021-05-08

Title

Grav任意文件删除漏洞

Description

Grav是一款使用Markdown文件进行内容管理的平面文件CMS。 Grav 1.7.0-rc.17及更早版本的BackupDelete功能存在任意文件删除漏洞。攻击者可通过路径遍历技术利用该漏洞删除底层服务器上的任意文件。

Severity

中

Patch Name

Grav任意文件删除漏洞的补丁

Patch Description

Grav是一款使用Markdown文件进行内容管理的平面文件CMS。 Grav 1.7.0-rc.17及更早版本的BackupDelete功能存在任意文件删除漏洞。攻击者可通过路径遍历技术利用该漏洞删除底层服务器上的任意文件。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://getgrav.org/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-29555

Impacted products

Name
Grav Grav <=1.7.0-rc.17

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-29555",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-29555"
    }
  },
  "description": "Grav\u662f\u4e00\u6b3e\u4f7f\u7528Markdown\u6587\u4ef6\u8fdb\u884c\u5185\u5bb9\u7ba1\u7406\u7684\u5e73\u9762\u6587\u4ef6CMS\u3002\n\nGrav 1.7.0-rc.17\u53ca\u66f4\u65e9\u7248\u672c\u7684BackupDelete\u529f\u80fd\u5b58\u5728\u4efb\u610f\u6587\u4ef6\u5220\u9664\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8def\u5f84\u904d\u5386\u6280\u672f\u5229\u7528\u8be5\u6f0f\u6d1e\u5220\u9664\u5e95\u5c42\u670d\u52a1\u5668\u4e0a\u7684\u4efb\u610f\u6587\u4ef6\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://getgrav.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-33250",
  "openTime": "2021-05-08",
  "patchDescription": "Grav\u662f\u4e00\u6b3e\u4f7f\u7528Markdown\u6587\u4ef6\u8fdb\u884c\u5185\u5bb9\u7ba1\u7406\u7684\u5e73\u9762\u6587\u4ef6CMS\u3002\r\n\r\nGrav 1.7.0-rc.17\u53ca\u66f4\u65e9\u7248\u672c\u7684BackupDelete\u529f\u80fd\u5b58\u5728\u4efb\u610f\u6587\u4ef6\u5220\u9664\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8def\u5f84\u904d\u5386\u6280\u672f\u5229\u7528\u8be5\u6f0f\u6d1e\u5220\u9664\u5e95\u5c42\u670d\u52a1\u5668\u4e0a\u7684\u4efb\u610f\u6587\u4ef6\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Grav\u4efb\u610f\u6587\u4ef6\u5220\u9664\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Grav Grav \u003c=1.7.0-rc.17"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-29555",
  "serverity": "\u4e2d",
  "submitTime": "2021-03-16",
  "title": "Grav\u4efb\u610f\u6587\u4ef6\u5220\u9664\u6f0f\u6d1e"
}

CVE-2020-29555 (GCVE-0-2020-29555)

Vulnerability from cvelistv5 – Published: 2021-03-15 18:00 – Updated: 2024-08-04 16:55

Summary

The BackupDelete functionality in Grav CMS through 1.7.0-rc.17 allows an authenticated attacker to delete arbitrary files on the underlying server by exploiting a path-traversal technique. (This vulnerability can also be exploited by an unauthenticated attacker due to a lack of CSRF protection.)

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://blog.bssi.fr/cve-2020-29553-cve-2020-2955…

x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T16:55:10.524Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://blog.bssi.fr/cve-2020-29553-cve-2020-29555-cve-2020-29556-multiple-vulnerabilities-within-cms-grav/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The BackupDelete functionality in Grav CMS through 1.7.0-rc.17 allows an authenticated attacker to delete arbitrary files on the underlying server by exploiting a path-traversal technique. (This vulnerability can also be exploited by an unauthenticated attacker due to a lack of CSRF protection.)"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-03-15T18:00:01",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://blog.bssi.fr/cve-2020-29553-cve-2020-29555-cve-2020-29556-multiple-vulnerabilities-within-cms-grav/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-29555",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The BackupDelete functionality in Grav CMS through 1.7.0-rc.17 allows an authenticated attacker to delete arbitrary files on the underlying server by exploiting a path-traversal technique. (This vulnerability can also be exploited by an unauthenticated attacker due to a lack of CSRF protection.)"
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://blog.bssi.fr/cve-2020-29553-cve-2020-29555-cve-2020-29556-multiple-vulnerabilities-within-cms-grav/",
              "refsource": "MISC",
              "url": "https://blog.bssi.fr/cve-2020-29553-cve-2020-29555-cve-2020-29556-multiple-vulnerabilities-within-cms-grav/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-29555",
    "datePublished": "2021-03-15T18:00:01",
    "dateReserved": "2020-12-04T00:00:00",
    "dateUpdated": "2024-08-04T16:55:10.524Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2021-33250

CVE-2020-29555 (GCVE-0-2020-29555)

Tags

Sightings

Nomenclature