CVE-2017-0361 Mediawiki Multiple Vulnerabilities (MediaWiki Security Release: 1.28.1/1.27.2/1.23.16)

MediaWiki is free and open source wiki software developed by the Wikimedia. It's used to power wiki web sites such as Wikipedia, Wiktionary and Commons.

These releases fix the following five security issues in core and one for the extension SyntaxHighlight_GeSHi:
(T109140) (T122209) Special:UserLogin and Special:Search allow redirect to interwiki links. (CVE-2017-0363, CVE-2017-0364)
(T144845) XSS in SearchHighlighter::highlightText() when $wgAdvancedSearchHighlighting is true. (CVE-2017-0365)
(T125177) API parameters may now be marked as "sensitive" to keep their values out of the logs. (CVE-2017-0361)
(T150044) "Mark all pages visited" on the watchlist now requires a CSRF token. (CVE-2017-0362)
(T156184) Escape content model/format url parameter in message. (CVE-2017-0368)
(T151735) SVG filter evasion using default attribute values in DTD declaration. (CVE-2017-0366)
(T48143) Spam blacklist ineffective on encoded URLs inside file inclusion syntax's link parameter. (CVE-2017-0370)
(T108138) Sysops can undelete pages, although the page is protected against it. (CVE-2017-0369)

The following only affects 1.27 and above and is not included in the 1.23 upgrade:
(T161453) LocalisationCache will no longer use the temporary directory in its fallback chain when trying to work out where to write the cache. (CVE-2017-0367)

The following fix is for the SyntaxHighlight extension:
(T158689) Parameters injection in SyntaxHighlight results in multiple vulnerabilities. (CVE-2017-0372) Affected Versions:
MediaWiki before 1.23.16
MediaWiki 1.27.x before 1.27.2
MediaWiki 1.28.x before 1.28.1

Depending on the vulnerability being exploited, a remote attacker could exploit these vulnerabilities to gain access to sensitive information, conduct cross-site request forgery and cross-site scripting attacks or bypass security restrictions on a targeted system.

Customers are advised to download and install MediaWiki 1.28.1, 1.27.2, 1.23.16 or later versions to remediate these vulnerabilities.

Patch:
Following are links for downloading patches to fix the vulnerabilities:

MediaWiki 1.28.1, 1.27.2, 1.23.16 or later