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AUSCERT External Security Bulletin Redistribution
MISP Cross Site Scripting
6 July 2021
AusCERT Security Bulletin Summary
Publisher: Misp Product
Operating System: UNIX variants (UNIX, Linux, OSX)
Impact/Access: Cross-site Scripting -- Remote with User Interaction
CVE Names: CVE-2021-35502
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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
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
o Read only authentication keys feature has been added. (don't forget to
enable the advanced authentication key feature)
o Various fixes regarding XSS and potential escaping issues including
Thanks to the reporters including Nicolas Vidal from TEHTRIS.
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
As always, a detailed and complete changelog is available with all the fixes,
changes and improvements.
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