Two-Factor Authentication Bypass Flaw Could Affect Over 70 Million Domains
San Antonio, TX – November 24, 2020 – Digital Defense, Inc., a leader in vulnerability and threat management solutions, today announced that its Vulnerability Research Team (VRT) uncovered a previously undisclosed vulnerability affecting the cPanel & WebHost Manager (WHM) web hosting platform. cPanel &WHM version 184.108.40.206 (90.0 Build 5) exhibits a two-factor authentication bypass flaw, vulnerable to brute force attack, resulting in a scenario where an attacker with knowledge of or access to valid credentials could bypass two-factor authentication protections on an account. Digital Defense’s internal testing demonstrated that an attack can be accomplished in minutes.
“Our standard practice is to work in tandem with organizations on a coordinated disclosure effort to facilitate a prompt resolution to a vulnerability. The Digital Defense VRT reached out to cPanel who worked diligently on a patch. We will continue outreach to customers ensuring they are aware and able to take action to mitigate any potential risk introduced by the vulnerability,” states Mike Cotton, senior vice president of engineering at Digital Defense."
cPanel & WHM is a suite of tools built for Linux OS that allows hosting providers and users the ability to automate server management and web hosting tasks while simplifying the process of website hosting for the end user. Serving the global hosting community for over 20 years, cPanel touts having over 70 million domains launched on servers using cPanel & WHM to date.
What You Can Do
cPanel’s recent advisory provides more details about the updates that have been released, which should be applied: https://news.cpanel.com/cpanel-tsr-2020-0007-full-disclosure/. For additional information, customers should contact cPanel directly.
Digital Defense Research Methodology and Practices
The Digital Defense VRT regularly works with organizations promoting the responsible disclosure of zero-day vulnerabilities. The expertise of the VRT, when coupled with the company’s next generation hybrid cloud platform, Frontline Vulnerability Manager, enables early detection capabilities. When zero-days are discovered and internally validated, the VRT immediately contacts the affected vendor to notify the organization of the new finding(s) and assists, where possible, with the vendor’s remediation actions.
To view Digital Defense’s zero-day advisories to date, please visit: https://www.digitaldefense.com/vulnerability-research-team/vulnerability-research/.
About Digital Defense:
Serving clients across numerous industries, Digital Defense’s innovative and leading-edge technology helps organizations safeguard sensitive data and ease the burdens associated with information security. Frontline.Cloud, the original Security SaaS platform, delivers unparalleled accuracy and efficiencies through multiple systems including Frontline Vulnerability Manager (Frontline VM™), Frontline Web Application Scanning (Frontline WAS™), Frontline Active Threat Sweep (Frontline ATS™) and Frontline Pen Test™. The Digital Defense Frontline suite of solutions, underpinned by patented technology and complemented with superior service and support, are highly-regarded by industry experts, as illustrated by the company’s designation as a 2020 Hot 150 Cybersecurity Company, 2020 Tag Cyber Distinguished Vendor, 2020 U.S. Department of Labor Platinum Medallion Award, a five-star review in SC Magazine and CRN 5-Star Partner Program rating.