Security Notification –HTTP Buffer Overflow Vulnerability in Hikvision NVRs Devices
SN No. HSRC-201510-03
Edit: Hikvision Security Response Center (HSRC)
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）.
Contact Us
For security problems about Hikvision products and solutions, please contact Hikvision Security Response Center at hsrc@hikvision.com.
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