Last week researchers discovered an OpenSSL vulnerability (CVE-2014-0224) that could result in a man-in-the-middle attack exploiting some versions of OpenSSL. Called the OpenSSL Change Cipher Spec (CCS) Injection, this vulnerability requires that both a server and a user’s client be vulnerable and enables an attacker to modify traffic from the server and client and subsequently decrypt the entire communication between the server and client.
All client versions are vulnerable. Affected server versions include OpenSSL 0.9.8, 1.0.0, and 1.0.1. It is recommended that all users of OpenSSL servers 1.0.1 or earlier upgrade their systems as a precaution:
Netskope has been researching the enterprise cloud apps in our Cloud Confidence Index database for this vulnerability starting with 4,837 apps across 44,572 domains, and found that, as of June 6, 2014, there were 1,832 cloud apps vulnerable. On June 11, there were 1,732; on June 13, there were 1,656; and on June 16, there were 1,416.
As of today, there are 3,421 apps that are not vulnerable.
Enterprise Cloud Apps That Remain Vulnerable
What Should You Do?
To protect yourself from this and future vulnerabilities, you should:
Netskope Researcher, Ravi Balupari, has recorded a Netskope Movie Line Monday about the OpenSSL CCS Injection Vulnerability and what it means to you. Watch it here.
We’ll be updating this status every three days or as major developments occur, and counting down the apps that remain vulnerable. Please check back with us or reach out to us at email@example.com if you have a specific question about this OpenSSL CCS Injection Vulnerability or any cloud security topic.