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             AUSCERT External Security Bulletin Redistribution

                         MISP Cross Site Scripting
                                6 July 2021


        AusCERT Security Bulletin Summary

Product:           MISP
Publisher:         Misp Product
Operating System:  UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Cross-site Scripting -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-35502  

Original Bulletin: 

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MISP 2.4.145 and 2.4.146 released

MISP 2.4.145 and 2.4.146 released including a massive update to the MISP
warning-lists, various improvements and security fixes.

MISP warning-lists improvements.

Warning lists system has been significantly improved (thanks to Jakub Onderka).

  o Custom warning lists can be created and managed in the MISP user-interface
  o Warning lists can be now imported via API
  o Warning lists changes are exported in the ZMQ channel
  o Warning lists include new categories to describe the scope

New features

Summary email notification

New event summaries only added as a new setting. This feature publish the
normal alert reports excluding attributes and object to only describe a summary
of the alert. This can be used when encryption cannot be enabled and
organisations still require email alerting.


A new documentation has been added to describe the session and cookie handling
in MISP.


  o Read only authentication keys feature has been added. (don't forget to
    enable the advanced authentication key feature)

Security Fixes

  o Various fixes regarding XSS and potential escaping issues including

Thanks to the reporters including Nicolas Vidal from TEHTRIS.

Various improvements

  o [OpenAPI] - Missing return formats added to the documentation
  o [server caching] only push data to redis / logs if there's something to
  o [attribute] validation tightened for empty strings. A value containing only
    control characters will now be blocked from entry.
  o [feeds] Added 3 daily feeds (ssh bruteforce, telnet bruteforce, URLs seen)
    from the APNIC Community Honeynet Project


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
misp-galaxy .

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

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