Vulnerability identifier: #VU9535

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-4407

CWE-ID: CWE-120

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
DS-77xxxNI-E4 Series
Hardware solutions / Firmware
DS-76xxNI-E1/2 Series
Hardware solutions / Firmware
Hikvision DVR/NVR Firmware
Hardware solutions / Firmware

Vendor: Hikvision

Description
The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.

The weakness exists due to buffer overflow. A remote attacker can send a specially crafted HTTP request, trigger memory corruption and cause the service to crash.

Mitigation
Update to version 3.4.0.

Vulnerable software versions

DS-77xxxNI-E4 Series: All versions

DS-76xxNI-E1/2 Series: All versions

Hikvision DVR/NVR Firmware: All versions

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External links
http://www.hikvision.com/en/Press-Release-details_435_i1023.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.