Vulnerability identifier: #VU9529

Vulnerability risk: High

CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2013-4977

CWE-ID: CWE-120

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Ds-2cd7153-e
Hardware solutions / Office equipment, IP-phones, print servers
Hikvision DVR/NVR Firmware
Hardware solutions / Firmware

Vendor: Hikvision

Description
The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.

The weakness exists due to buffer overflow in the RTSP Packet Handler. A remote attacker can send a specially crafted packet using the Range parameter of the RTSP transaction, trigger memory corruption and cause the service to crash or possibly execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Update to the latest firmware version.

Vulnerable software versions

Ds-2cd7153-e: 4.1.0 b130111

Hikvision DVR/NVR Firmware: All versions

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External links
http://www.coresecurity.com/advisories/hikvision-ip-cameras-multiple-vulnerabilities

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.