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CVE-2017-0366— SVG filter evasion using default attribute values in DTD declaration

Quick assessment

Affected
mediawiki mediawiki
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 1.28.1之前版本、1.27.2之前版本和1.23.16之前版本中存在安全漏洞。攻击者可借助DTD声明中的默认属性值利用该漏洞绕过SVG过滤器。

AI Predicted 5.3 Difficulty: Moderate EPSS 1.30% · P71

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2017-0366

Vulnerability Information
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Vulnerability Title
SVG filter evasion using default attribute values in DTD declaration
Source: CVE Program / CVE List V5
Vulnerability Description
Mediawiki before 1.28.1 / 1.27.2 / 1.23.16 contains a flaw allowing to evade SVG filter using default attribute values in DTD declaration.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Mediawiki 安全漏洞
Source: CNNVD (China National Vulnerability Database)
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 1.28.1之前版本、1.27.2之前版本和1.23.16之前版本中存在安全漏洞。攻击者可借助DTD声明中的默认属性值利用该漏洞绕过SVG过滤器。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
mediawiki mediawiki n/a -

II. Public POCs for CVE-2017-0366

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III. Intelligence Information for CVE-2017-0366

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Vendor Advisories for CVE-2017-0366 (1)

Mailing List Discussions for CVE-2017-0366 (1)

Other References for CVE-2017-0366 (1)

Same Patch Batch · mediawiki · 2018-04-13 · 11 CVEs total

CVE-2017-0361 api.log contains passwords in plaintext
CVE-2017-0362 "Mark all pages visited" on the watchlist does not require a CSRF token
CVE-2017-0363 Special:UserLogin?returnto=interwiki:foo will redirect to external sites
CVE-2017-0364 Special:Search allows redirects to any interwiki link
CVE-2017-0365 XSS in SearchHighlighter::highlightText() [requires non-default config]
CVE-2017-0367 Having LocalisationCache directory default to system tmp directory is insecure
CVE-2017-0368 Make rawHTML mode not apply to system messages
CVE-2017-0369 Sysops can undelete pages, although the page is protected against it
CVE-2017-0370 Spam blacklist ineffective on encoded URLs inside file inclusion syntax's link parameter
CVE-2017-0372 Parameters injection in SyntaxHighlight results in multiple vulnerabilities

IV. Related Vulnerabilities

Same product: mediawiki
Same vendor: mediawiki