SummaryFortinet's FortiGuard Labs has discovered a Cross-Site Scripting (XSS) vulnerability in Zimbra Collaboration.
Zimbra Collaboration is an open, secure collaboration software suite for email, address book, calendar, file-sharing and tasks. According to its website, there are over 500 million people who are using Zimbra Collaboration and come from 135+ countries. Zimbra Collaboration is used by 500+ service providers, 1000+ government & financial institutions and 200k+ businesses. They include global brands such as NTT Communications, Comcast, Dell, Cadbury, Investec, Rackspace, Red Hat, VMware, H&R Block and Vodafone.
A persistent XSS vulnerability has been discovered in Zimbra Collaboration. The vulnerability is caused due to insufficiently sanitizing email body content. It allows remote attackers to launch XSS attack against Zimbra Collaboration users.
SolutionsFortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:
Released Oct 08, 2015
FortiWeb can cover this specific vulnerability with following signatures:
Cross Site Scripting 010000000
Cross Site Scripting (Extended) 020000000
Users should apply the solution provided by Zimbra.