cnvd-2021-48975
Vulnerability from cnvd
Title
MediaWiki拒绝服务漏洞（CNVD-2021-48975）
Description
MediaWiki是美国维基媒体（MediaWiki）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 1.36存在安全漏洞，该漏洞源于CentralAuth扩展中发现了一个问题。当用户的当前用户名超过任意的最大配置值(maxnamecars)时，GlobalRenameRequest页面容易受到无限循环和拒绝服务攻击。 目前没有详细的漏洞细节提供。
Severity
中
Patch Name
MediaWiki拒绝服务漏洞（CNVD-2021-48975）的补丁
Patch Description
MediaWiki是美国维基媒体（MediaWiki）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 1.36存在安全漏洞，该漏洞源于CentralAuth扩展中发现了一个问题。当用户的当前用户名超过任意的最大配置值(maxnamecars)时，GlobalRenameRequest页面容易受到无限循环和拒绝服务攻击。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

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页： https://gerrit.wikimedia.org/r/q/I97d8b3236b5abed8ba9a9c4d3ab5050c2e782c22

Reference
https://phabricator.wikimedia.org/T260865
Impacted products
Name
MediaWiki MediaWiki 1.36
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-36125"
    }
  },
  "description": "MediaWiki\u662f\u7f8e\u56fd\u7ef4\u57fa\u5a92\u4f53\uff08MediaWiki\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 1.36\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eCentralAuth\u6269\u5c55\u4e2d\u53d1\u73b0\u4e86\u4e00\u4e2a\u95ee\u9898\u3002\u5f53\u7528\u6237\u7684\u5f53\u524d\u7528\u6237\u540d\u8d85\u8fc7\u4efb\u610f\u7684\u6700\u5927\u914d\u7f6e\u503c(maxnamecars)\u65f6\uff0cGlobalRenameRequest\u9875\u9762\u5bb9\u6613\u53d7\u5230\u65e0\u9650\u5faa\u73af\u548c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002 \u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://gerrit.wikimedia.org/r/q/I97d8b3236b5abed8ba9a9c4d3ab5050c2e782c22",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-48975",
  "openTime": "2021-07-09",
  "patchDescription": "MediaWiki\u662f\u7f8e\u56fd\u7ef4\u57fa\u5a92\u4f53\uff08MediaWiki\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 1.36\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eCentralAuth\u6269\u5c55\u4e2d\u53d1\u73b0\u4e86\u4e00\u4e2a\u95ee\u9898\u3002\u5f53\u7528\u6237\u7684\u5f53\u524d\u7528\u6237\u540d\u8d85\u8fc7\u4efb\u610f\u7684\u6700\u5927\u914d\u7f6e\u503c(maxnamecars)\u65f6\uff0cGlobalRenameRequest\u9875\u9762\u5bb9\u6613\u53d7\u5230\u65e0\u9650\u5faa\u73af\u548c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\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\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-48975\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "MediaWiki MediaWiki 1.36"
  },
  "referenceLink": "https://phabricator.wikimedia.org/T260865",
  "serverity": "\u4e2d",
  "submitTime": "2021-07-06",
  "title": "MediaWiki\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-48975\uff09"
}


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