Debian Security Advisory

DSA-4036-1 mediawiki -- security update

Date Reported:
15 Nov 2017
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2017-8808, CVE-2017-8809, CVE-2017-8810, CVE-2017-8811, CVE-2017-8812, CVE-2017-8814, CVE-2017-8815.
More information:

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.