PT-2016-12: HTTP Header Injection in VMware vCenter Server and ESXi Vulnerable software vCenter Server, ESXi Version: 6.x Links: http://www.vmware.com/ Severity level Severity level: Medium Impact: Arbitrary HTTP header injection Access Vector: Remote CVSS v2: Base Score: 5.5 Vector: (AV:N/AC:L/Au:S/C:P/I:P/A:N) CVE: CVE-2016-5331 Software description vCenter Server, ESXi - enterprise-level computer virtualization products. Vulnerability description The specialists of the Positive Research center have detected an HTTP Header Injection vulnerability in VMware vCenter Server and ESXi. The application does not properly sanitize user input before using it in HTTP response headers that allows a malicious user to inject arbitrary headers into HTTP responses. This allows attackers to control the headers and body of the HTTP response which can be used for conducting Cross-Site Scripting (XSS) attacks and attacks on intermediate proxy servers. How to fix Update your software up to the latest version Advisory status 23.10.2015 - Vendor gets vulnerability details 04.08.2016 - Vendor releases fixed version and details 11.08.2016 - Public disclosure Credits The vulnerability was detected by Vladimir Ivanov, Andrey Evlanin, Mikhail Stepankin, Artem Kondratenko and Arseniy Sharoglazov, Positive Research Center (Positive Technologies Company) References http://en.securitylab.ru/lab/PT-2016-12 http://www.vmware.com/in/security/advisories/VMSA-2016-0010.html Reports on the vulnerabilities previously discovered by Positive Research: http://www.ptsecurity.com http://en.securitylab.ru/lab/ About Positive Technologies Positive Technologies is a leading provider of vulnerability assessment, compliance management and threat analysis solutions to more than 1,000 global enterprise clients. Our solutions work seamlessly across your entire business: securing applications in development; assessing your network and application vulnerabilities; assuring compliance with regulatory requirements; and blocking real-time attacks. Our commitment to clients and research has earned Positive Technologies a reputation as one of the foremost authorities on SCADA, Banking, Telecom, Web Application and ERP security, and distinction as the #1 fastest growing Security and Vulnerability Management firm in 2012, as shown in an IDC report*. To learn more about Positive Technologies please visit www.ptsecurity.com *Source: IDC Worldwide Security and Vulnerability Management 2013-2017 Forecast and 2012 Vendor Shares, doc #242465, August 2013. Based on year-over-year revenue growth in 2012 for vendors with revenues of $20M+
