Security Notification –HTTP Buffer Overflow Vulnerability in Hikvision NVRs Devices

SN No. HSRC-201510-03

HSRC (Centro de respuesta de seguridad de Hikvision):

Initial Release Date：2015-11-09

Summary

While processing the specified HTTP requests after identity authentication (successful login with the correct username and password), buffer overflow vulnerabilities may occur for selected Hikvision NVRs. This may result in potential service interruption for users.

This Vulnerability has been designated as Common Vulnerabilities and Exposures (CVE).

ID No: CVE-2015-4407, CVE-2015-4408 and CVE-2015-4409.

Impact

By exploiting these three vulnerabilities, after successfully login to the NVRs with the correct username and password, attackers could be able to plant malicious HTTP scripts to create service interruption.

Precondition

NVR devices can be connected after login with correct username and password.

Attack Step

Attackers may send malicious HTTP scripts to selected NVR devices.

Software Versions and Fixes

Product Name

Affected Versions

Resolved Versions

DS-76xxNI-E1/2 Series

DS-77xxxNI-E4 Series

v3.3.4 and earlier

v3.4.0 and later

Obtaining Fixed Firmware

Users should download the updated firmware to guard against these potential vulnerabilities. It is available on the Hikvision official website:（Click Here）.

Contáctenos.

For security problems about Hikvision products and solutions, please contact Hikvision Security Response Center at hsrc@hikvision.com.