[rt-announce] Security vulnerabilities in three commonly deployed RT extensions

[Alex Vandiver]

We have determined a number of security vulnerabilities in commonly
installed RT extensions, enumerated below.  You can determine which, if
any, of these extensions your RT installation is using by navigating to
Configuration -> Tools -> System Configuration, and examining the
"Plugins" configuration setting.

We have released updated versions of each vulnerable extension.
Installation instructions for each are included in a README file in each
extension's tarball.  You need only download and upgrade these
extensions if you have a previous version of them installed; RT
installations with none of the below extensions installed are not
vulnerable, and do not need to take action.


RT::Authen::ExternalAuth 0.10 and below (for all versions of RT) are
vulnerable to an escalation of privilege attack where the URL of a RSS
feed of the user can be used to acquire a fully logged-in session as
that user.  CVE-2012-2770 has been assigned to this vulnerability.

Users of RT 3.8.2 and above should upgrade to RT::Authen::ExternalAuth
0.11, which resolves this vulnerability.  Because users of RT 3.8.1
cannot run RT::Authen::ExternalAuth later then 0.08 (due to bugs in
plugin handling code in RT 3.8.1), we are also providing a patch which
applies to RT::Authen::ExternalAuth 0.08.  This patch should only be
applied if you are running RT 3.8.1 and RT::Authen::ExternalAuth 0.08.
Instructions for applying the patch can be found in the patch file
itself.

  http://cpan.metacpan.org/authors/id/A/AL/ALEXMV/RT-Authen-ExternalAuth-0.11.tar.gz
  http://download.bestpractical.com/pub/rt/release/rt-authen-externalauth-0.08.patch
  http://download.bestpractical.com/pub/rt/release/rt-authen-externalauth-0.08.patch.asc

  33ade803072d0ee6fff96f12969c1d4390b1211e  RT-Authen-ExternalAuth-0.11.tar.gz
  0d8057031b4115c2eb9dcc9ec43400ddea49afed  rt-authen-externalauth-0.08.patch
  31043b1c139487ae9ca1f8e3184493c077580b92  rt-authen-externalauth-0.08.patch.asc


RT::FM versions 2.0.4 through 2.4.3, inclusive, are vulnerable to
multiple cross-site scripting (XSS) attacks in the topic administration
page.  CVE-2012-2768 has been assigned to this vulnerability.  This
release also includes updates for compatibility with RT 3.8.12.  As RT
4.0 and above bundle RT::FM's functionality, and resolved this
vulnerability in RT 4.0.6, this update is only applicable to
installations of RT 3.8.

  http://download.bestpractical.com/pub/rt/release/RTFM-2.4.4.tar.gz
  http://download.bestpractical.com/pub/rt/release/RTFM-2.4.4.tar.gz.asc

  abebd875d6d37b7d7ce3135952e23d8427b685c9  RTFM-2.4.4.tar.gz
  5f5e55ec9a8ee03c3f444c502012b1b958d4412c  RTFM-2.4.4.tar.gz.asc


RT::Extension::MobileUI 1.01 and below are vulnerable to multiple
cross-site scripting (XSS) attacks.  CVE-2012-2769 has been assigned to
this vulnerability.  As RT 4.0 and above bundle
RT::Extension::MobileUI's functionality, and resolved this vulnerability
in RT 4.0.6, this update is only applicable to installations of RT 3.8.

  http://cpan.metacpan.org/authors/id/A/AL/ALEXMV/RT-Extension-MobileUI-1.02.tar.gz

  4f97065fab28c3e875393a6aeb61c3d3bb7bb3be  RT-Extension-MobileUI-1.02.tar.gz



The README in each tarball contains instructions for upgrading the
extension.  If you need help resolving this issue locally, we will
provide discounted pricing for single-incident support; please contact
us at sales at bestpractical.com for more information.

 - Alex
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