cnvd-2015-02420
Vulnerability from cnvd
Title
MediaWiki拒绝服务漏洞（CNVD-2015-02420）
Description
MediaWiki是一款Wiki程序。 MediaWiki 1.24.2之前1.24.x版本中存在安全漏洞。当程序使用PBKDF2算法生成哈希密码时，远程攻击者可借助超长的密码利用该漏洞造成拒绝服务（CPU消耗）。
Severity
高
Patch Name
MediaWiki拒绝服务漏洞（CNVD-2015-02420）的补丁
Patch Description
MediaWiki是一款Wiki程序。MediaWiki 1.24.2之前1.24.x版本中存在安全漏洞。当程序使用PBKDF2算法生成哈希密码时，远程攻击者可借助超长的密码利用该漏洞造成拒绝服务（CPU消耗）。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

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html

Reference
https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-2936
Impacted products
Name
MediaWiki MediaWiki 1.24.x(<1.24.2)
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-2936"
    }
  },
  "description": "MediaWiki\u662f\u4e00\u6b3eWiki\u7a0b\u5e8f\u3002\r\n\r\nMediaWiki 1.24.2\u4e4b\u524d1.24.x\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u5f53\u7a0b\u5e8f\u4f7f\u7528PBKDF2\u7b97\u6cd5\u751f\u6210\u54c8\u5e0c\u5bc6\u7801\u65f6\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u8d85\u957f\u7684\u5bc6\u7801\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08CPU\u6d88\u8017\uff09\u3002",
  "discovererName": "Chris Steipp",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-02420",
  "openTime": "2015-04-15",
  "patchDescription": "MediaWiki\u662f\u4e00\u6b3eWiki\u7a0b\u5e8f\u3002MediaWiki 1.24.2\u4e4b\u524d1.24.x\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u5f53\u7a0b\u5e8f\u4f7f\u7528PBKDF2\u7b97\u6cd5\u751f\u6210\u54c8\u5e0c\u5bc6\u7801\u65f6\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u8d85\u957f\u7684\u5bc6\u7801\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08CPU\u6d88\u8017\uff09\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-2015-02420\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "MediaWiki MediaWiki 1.24.x(\u003c1.24.2)"
  },
  "referenceLink": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-2936",
  "serverity": "\u9ad8",
  "submitTime": "2015-04-14",
  "title": "MediaWiki\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2015-02420\uff09"
}


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