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             AUSCERT External Security Bulletin Redistribution

    MISP 2.4.132 released (security fix CVE-2020-25766 and bugs fixed)
                             22 September 2020


        AusCERT Security Bulletin Summary

Product:           MISP
Publisher:         MISP Project
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Delete Arbitrary Files -- Existing Account
                   Reduced Security       -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-25766  

Original Bulletin: 

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MISP 2.4.132 released

A new version of MISP (2.4.132) has been released with several bugs fixed
including an important security fix CVE-2020-25766.

Bugs fixed and updates

  o [bootstrap-datepicker] Updated to version 1.9.0
  o [tag filters] fixed a bug introduced with the previous filter fix,
    resulting in multiple OR tags being ignored as a valid filter.
  o [internal] Correctly handle positive tag filters for non site admins.
  o [sightings] anonymise pushed sightings using new Sightings_anonymise_as


An issue was discovered in MISP before 2.4.132. This could lead to an unwanted
actions (such as an event deletion) being triggered. Thanks to Michael Kerscher
for the report.

It was discovered that under certain situations (resource exhaustion when
retrieving sessions data for example), a user could incorrectly receive the
login page as a response when paginating the event view's attribute list. This
in itself should not cause any issues, but due to a bug in the login form's GET
/POST exchange, the user actually having a valid session would instead retrieve
the event index, on which the first form was submitted (which was an event
deletion). In normal situations this is extremely rare and we have only
identified a handful of such deletions on our most heavily used community

Version 2.4.133 will include a new diagnostic tool that highlights deletions
from the time period when the bug was active along with a recovery

Many bugs fixed and small improvements

A host of other improvements are documented in the complete changelog is


We would like to thank all the contributors, reporters and users who have
helped us in the past months to improve MISP and information sharing at large.
This release includes multiple updates in misp-objects, misp-taxonomies and

As always, a detailed and complete changelog is available with all the fixes,
changes and improvements.

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