This bug was fixed in the package mosquitto - 0.15-2ubuntu1.1
---------------
mosquitto (0.15-2ubuntu1.1) trusty-security; urgency=low
* SECURITY UPDATE: Pattern ACL can be bypassed by using a username/client id
set to '+' or '#' (LP: #1692818).
- debian/patches/mosquitto-0.15_cve-2017-7650.patch: Reject send/receive
of messages to/from clients with a '+', '#' or '/' in their
username/client id.
- CVE-2017-7650
-- [email protected] (Roger A. Light) Tue, 23 May 2017 22:14:40 +0100
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https://bugs.launchpad.net/bugs/1692818
Title:
Mosquitto pattern ACLs can be circumvented with special client ids or
usernames
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