Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM, allows remote attackers to cause a denial of service (CPU and memory consumption) via a large number of nested entity references in an (1) SVG file or (2) XMP metadata in a PDF file, aka a "billion laughs attack," a different vulnerability than CVE-2015-2937.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
MediaWiki 资源管理错误漏洞
Vulnerability Description
MediaWiki是美国维基媒体（Wikimedia）基金会和MediaWiki志愿者共同开发维护的一套自由免费的基于网络的Wiki引擎，它可用于部署内部的知识管理和内容管理系统。 MediaWiki中存在安全漏洞。当程序使用HHVM时，远程攻击者可借助PDF文件夹的SVG文件或XMP元数据中的大量嵌套的实体引用利用该漏洞造成拒绝服务（CPU和内存消耗）。以下版本受到影响：MediaWiki 1.19.24之前版本，1.23.9之前1.2x版本，1.24.2之前1.24.x版本。
CVSS Information
N/A
Vulnerability Type
N/A