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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0883
        MSA-19-0007: Stored HTML in assignment submission comments
                    allowed links to be opened directly
                               19 March 2019

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Moodle
Publisher:         Moodle
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Reduced Security -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-3850  

Original Bulletin: 
   https://moodle.org/mod/forum/discuss.php?d=384013&parent=1547745

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MSA-19-0007: Stored HTML in assignment submission comments allowed links to be
opened directly
Tuesday, 19 March 2019, 11:15 AM

Links within assignment submission comments would open directly (in the same
window). Although links themselves may be valid, opening within the same window
and without the no-referrer header policy made them more susceptible to
exploits.

Severity/Risk:     Minor
Versions affected: 3.6 to 3.6.2, 3.5 to 3.5.4, 3.4 to 3.4.7, 3.1 to 3.1.16 and
                  earlier unsupported versions
Versions fixed:    3.6.3, 3.5.5, 3.4.8 and 3.1.17
Reported by:       Steeven George
CVE identifier:    CVE-2019-3850
Changes (master):  http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-64651
Tracker issue:     MDL-64651 Stored HTML in assignment submission comments
                  allowed links to be opened directly

- --------------------------END INCLUDED TEXT--------------------

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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
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