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  • Admin XSS security vulnerabilities fixed (CVE-2020-12685)

    Posted on May 14, 2020 by Jon Jensen

    The Interchange admin in versions 4.7.0 through 5.11.x (before 2020-05-15) was vulnerable to cross-site scripting (XSS) injection attacks in the help and quicklinks pages.

    Attackers could use browser JavaScript to steal client-side credentials such as a session cookie or delivered page data. The attack type is reflected XSS, active for a single page request via tainted link, not stored in the database or in page files or reusably in the session.

    This was found and reported by Sean Fernandez. Thank you very much! It has been assigned the identifier CVE-2020-12685.

    To resolve the problem, apply the patch from commit 243ab0eea0a, or download the new versions of the 2 corrected files:

    u1=https://raw.githubusercontent.com/interchange/interchange/243ab0eea0ae1d8d8f3e333128349f104b7e04bf
u2=$u1/dist/lib/UI/pages/admin
curl --remote-name-all $u2/help.html $u2/quicklinks.html

    Then copy them into place in your global admin installation:

    cp help.html quicklinks.html /path/to/interchange/lib/UI/pages/admin/

    If you made catalog-local copies to customize those files, you will need to apply the fixes there manually in /path/to/catalog/pages/admin/.

    Restarting the Interchange daemon is not necessary.

    The nightly build now includes the fixes, as will the upcoming 5.12.0 release.

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