PT-2017-54: Buffer Overflow in Dahua IP cameras Vulnerable product Dahua IP cameras Firmware version: prior to V2.400.0000.14.R.20170713 Link: http://dahuasecurity.com/ Severity level Severity level: High Impact: Remote Code Execution Access Vector: Remote CVSS v3: Base Score: 10 Vector: (AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H) CVE: CVE-2017-3223 Vulnerability description The specialists of the Positive Research center have detected a Buffer Overflow vulnerability in Dahua IP cameras. Vulnerability in the web interface of Sonia application (/user/bin/sonia) in Dahua IP camera products allows remote attackers to cause a denial of service (out-of-bounds memory operations) or execute arbitrary code via a specially crafted POST request. How to fix Update your firmware to the latest version Advisory status 20.02.2017 - Vendor gets vulnerability details 31.05.2017 - Vulnerability details were sent to CERT 17.07.2017 - Vendor releases fixed version and details 27.12.2017 - Public disclosure Credits The vulnerability was detected by Ilya Smith, Positive Research Center (Positive Technologies Company) References http://en.securitylab.ru/lab/PT-2017-54 https://www.kb.cert.org/vuls/id/547255 Reports on the vulnerabilities previously discovered by Positive Research: https://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+