Multiple cross-site request forgery (CSRF) vulnerabilities in the Admin Console in Zimbra Collaboration before 8.6.0 Patch 8 allow remote attackers to hijack the authentication of administrators for requests that (1) add, (2) modify, or (3) remove accounts by leveraging failure to use of a CSRF token and perform referer header checks, aka bugs 100885 and 100899.
seclists.org/fulldisclosure/2017/Jan/30
www.securityfocus.com/bid/95383
bugzilla.zimbra.com/show_bug.cgi?id=100885
bugzilla.zimbra.com/show_bug.cgi?id=100899
sysdream.com/news/lab/2017-01-12-cve-2016-3403-multiple-csrf-in-zimbra-administration-interface/
wiki.zimbra.com/wiki/Zimbra_Releases/8.6_Patch_8
wiki.zimbra.com/wiki/Zimbra_Releases/8.7.0
wiki.zimbra.com/wiki/Zimbra_Security_Advisories