cnvd - cnvd-2021-38680

cnvd-2021-38680

Vulnerability from cnvd

Title: MediaWiki信息泄露漏洞（CNVD-2021-38680）

Description:

MediaWiki是美国MediaWiki（维基媒体）基金会的一套自由免费的基于网络的Wiki引擎。该产品可用于部署内部的知识管理和内容管理系统。

MediaWiki 1.35.1之前版本存在信息泄露漏洞，该漏洞源于查看器无法看到的丢失用户和隐藏用户将以不同的方式处理，向无特权的查看器暴露有关隐藏状态的敏感信息。目前没有详细的漏洞细节提供。

Severity: 中

Patch Name: MediaWiki信息泄露漏洞（CNVD-2021-38680）的补丁

Patch Description:

MediaWiki是美国MediaWiki（维基媒体）基金会的一套自由免费的基于网络的Wiki引擎。该产品可用于部署内部的知识管理和内容管理系统。

MediaWiki 1.35.1之前版本存在信息泄露漏洞，该漏洞源于查看器无法看到的丢失用户和隐藏用户将以不同的方式处理，向无特权的查看器暴露有关隐藏状态的敏感信息。目前没有详细的漏洞细节提供。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://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-35480

Impacted products

Name
MediaWiki MediaWiki <1.35.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-35480",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-35480"
    }
  },
  "description": "MediaWiki\u662f\u7f8e\u56fdMediaWiki\uff08\u7ef4\u57fa\u5a92\u4f53\uff09\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u81ea\u7531\u514d\u8d39\u7684\u57fa\u4e8e\u7f51\u7edc\u7684Wiki\u5f15\u64ce\u3002\u8be5\u4ea7\u54c1\u53ef\u7528\u4e8e\u90e8\u7f72\u5185\u90e8\u7684\u77e5\u8bc6\u7ba1\u7406\u548c\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\u3002\n\nMediaWiki 1.35.1\u4e4b\u524d\u7248\u672c\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u67e5\u770b\u5668\u65e0\u6cd5\u770b\u5230\u7684\u4e22\u5931\u7528\u6237\u548c\u9690\u85cf\u7528\u6237\u5c06\u4ee5\u4e0d\u540c\u7684\u65b9\u5f0f\u5904\u7406\uff0c\u5411\u65e0\u7279\u6743\u7684\u67e5\u770b\u5668\u66b4\u9732\u6709\u5173\u9690\u85cf\u72b6\u6001\u7684\u654f\u611f\u4fe1\u606f\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-38680",
  "openTime": "2021-06-02",
  "patchDescription": "MediaWiki\u662f\u7f8e\u56fdMediaWiki\uff08\u7ef4\u57fa\u5a92\u4f53\uff09\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u81ea\u7531\u514d\u8d39\u7684\u57fa\u4e8e\u7f51\u7edc\u7684Wiki\u5f15\u64ce\u3002\u8be5\u4ea7\u54c1\u53ef\u7528\u4e8e\u90e8\u7f72\u5185\u90e8\u7684\u77e5\u8bc6\u7ba1\u7406\u548c\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\u3002\r\n\r\nMediaWiki 1.35.1\u4e4b\u524d\u7248\u672c\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u67e5\u770b\u5668\u65e0\u6cd5\u770b\u5230\u7684\u4e22\u5931\u7528\u6237\u548c\u9690\u85cf\u7528\u6237\u5c06\u4ee5\u4e0d\u540c\u7684\u65b9\u5f0f\u5904\u7406\uff0c\u5411\u65e0\u7279\u6743\u7684\u67e5\u770b\u5668\u66b4\u9732\u6709\u5173\u9690\u85cf\u72b6\u6001\u7684\u654f\u611f\u4fe1\u606f\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "MediaWiki\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2021-38680\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "MediaWiki MediaWiki \u003c1.35.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-35480",
  "serverity": "\u4e2d",
  "submitTime": "2020-12-24",
  "title": "MediaWiki\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2021-38680\uff09"
}

CVE-2020-35480 (GCVE-0-2020-35480)

Vulnerability from cvelistv5

Published

2020-12-18 07:40

Modified

2024-08-04 17:02

Severity ?

CWE

Summary

An issue was discovered in MediaWiki before 1.35.1. Missing users (accounts that don't exist) and hidden users (accounts that have been explicitly hidden due to being abusive, or similar) that the viewer cannot see are handled differently, exposing sensitive information about the hidden status to unprivileged viewers. This exists on various code paths.

References

▼	URL	Tags
	https://phabricator.wikimedia.org/T120883	x_refsource_MISC
	https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html	x_refsource_MISC
	https://www.debian.org/security/2020/dsa-4816	vendor-advisory, x_refsource_DEBIAN
	https://lists.debian.org/debian-lts-announce/2020/12/msg00034.html	mailing-list, x_refsource_MLIST
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/	vendor-advisory, x_refsource_FEDORA

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T17:02:08.193Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://phabricator.wikimedia.org/T120883"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html"
          },
          {
            "name": "DSA-4816",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2020/dsa-4816"
          },
          {
            "name": "[debian-lts-announce] 20201223 [SECURITY] [DLA 2504-1] mediawiki security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00034.html"
          },
          {
            "name": "FEDORA-2020-0be2d40e13",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in MediaWiki before 1.35.1. Missing users (accounts that don\u0027t exist) and hidden users (accounts that have been explicitly hidden due to being abusive, or similar) that the viewer cannot see are handled differently, exposing sensitive information about the hidden status to unprivileged viewers. This exists on various code paths."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-12-27T03:06:16",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://phabricator.wikimedia.org/T120883"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html"
        },
        {
          "name": "DSA-4816",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2020/dsa-4816"
        },
        {
          "name": "[debian-lts-announce] 20201223 [SECURITY] [DLA 2504-1] mediawiki security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00034.html"
        },
        {
          "name": "FEDORA-2020-0be2d40e13",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-35480",
          "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": {
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              "lang": "eng",
              "value": "An issue was discovered in MediaWiki before 1.35.1. Missing users (accounts that don\u0027t exist) and hidden users (accounts that have been explicitly hidden due to being abusive, or similar) that the viewer cannot see are handled differently, exposing sensitive information about the hidden status to unprivileged viewers. This exists on various code paths."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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                {
                  "lang": "eng",
                  "value": "n/a"
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        },
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              "refsource": "MISC",
              "url": "https://phabricator.wikimedia.org/T120883"
            },
            {
              "name": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html",
              "refsource": "MISC",
              "url": "https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html"
            },
            {
              "name": "DSA-4816",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2020/dsa-4816"
            },
            {
              "name": "[debian-lts-announce] 20201223 [SECURITY] [DLA 2504-1] mediawiki security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00034.html"
            },
            {
              "name": "FEDORA-2020-0be2d40e13",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-35480",
    "datePublished": "2020-12-18T07:40:38",
    "dateReserved": "2020-12-16T00:00:00",
    "dateUpdated": "2024-08-04T17:02:08.193Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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