Multiple security vulnerabilities have been discovered in MediaWiki, a website engine for collaborative work: CVE-2017-8808

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Debian Security Advisory DSA-4036-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
November 15, 2017                     https://www.debian.org/security/faq
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Package        : mediawiki
CVE ID         : CVE-2017-8808 CVE-2017-8809 CVE-2017-8810 CVE-2017-8811 
                 CVE-2017-8812 CVE-2017-8814 CVE-2017-8815

Multiple security vulnerabilities have been discovered in MediaWiki, a
website engine for collaborative work:

CVE-2017-8808

    Cross-site-scripting with non-standard URL escaping and
    $wgShowExceptionDetails disabled.

CVE-2017-8809

    Reflected file download in API.

CVE-2017-8810

    On private wikis the login form didn't distinguish between
    login failure due to bad username and bad password.

CVE-2017-8811

    It was possible to mangle HTML via raw message parameter
    expansion.

CVE-2017-8812

    id attributes in headlines allowed raw '>'.

CVE-2017-8814

    Language converter could be tricked into replacing text inside tags.

CVE-2017-8815

    Unsafe attribute injection via glossary rules in language converter.

For the stable distribution (stretch), these problems have been fixed in
version 1:1.27.4-1~deb9u1.

We recommend that you upgrade your mediawiki packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

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