Archive | Security & Privacy

Zimbra Collaboration 8.7 and Zimbra Desktop, 2FA and Password Lock

Zimbra wants to offer better Security on our products, so I’m thrilled to introduce two new features that Zimbra Desktop 7.2.8 brings to the public. Zimbra Desktop – Password Lock Starting with Zimbra Desktop 7.2.8, the end user can protect Zimbra Desktop with a password. You will find this new feature in Preferences > All […]

Continue Reading

Zimbra Collaboration 8.6 Patch 4 and previous (CWE-79, CVE-2015-7609) – XSS vulnerabilities

On December 22, 2015, we announced patch 5 for Zimbra Collaboration 8.6. Patch 5 contained fixes for eight security issues, including two cross-site scripting (XSS) vulnerabilities (assigned CVE-2015-7609) that were reported in October of 2015 by security researchers at Fortinet’s Fortiguard Labs. It was a pleasure working with one of the top security companies out there. If […]

Continue Reading

OpenSSL July 2015 Update

On July 9, 2015, OpenSSL issued a security update to correct an issue opened by its June update. Specifically, this issue relates to alternative chains certificate forgery (CVE-2015-1793), i.e. an ability to “cause certain checks on untrusted certificates to be bypassed, such as the CA flag, enabling them to use a valid leaf certificate to act […]

Continue Reading

Logjam’s Impact on Zimbra Collaboration

Zimbra is aware of a newly disclosed SSL/TLS vulnerability that provides a potential malicious actor with a method to perform a Man-in-the-Middle (MitM) attack — the vulnerability is referred to as Logjam. Similar to FREAK, this attack targets export-grade encryption, specifically Diffie-Hellman key exchanges. For more information on the attack and how this applies to […]

Continue Reading

Introducing Zcast

On behalf of Zimbra, I am happy to introduce Zcast. In this new podcast series, Zimbra CMO Olivier Thierry covers a variety of technology topics that relate, primarily, to open source software, communication technology, business/product strategy, cybersecurity and data protection. The first in the series is with Zimbra partner MailGuard, founded in 2001 by CEO […]

Continue Reading