CVE-2017-6432 — HIGH (8.1) — White Hats Nepal

Vulnerability Description

An issue was discovered on Dahua DHI-HCVR7216A-S3 3.210.0001.10 build 2016-06-06 devices. The Dahua DVR Protocol, which operates on TCP Port 37777, is an unencrypted, binary protocol. Performing a Man-in-the-Middle attack allows both sniffing and injections of packets, which allows creation of fully privileged new users, in addition to capture of sensitive information.

CVSS Score

8.1

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Dahuasecurity	Nvr Firmware	3.210.0001.10
Dahuasecurity	Dhi-Hcvr7216A-S3	-

Related Weaknesses (CWE)

CWE-319

References

https://nullku7.github.io/stuff/exploit/dahua/2017/03/09/dahua-nvr-authbypass.htThird Party Advisory
https://twitter.com/null_ku7/status/839814344351240193Press/Media Coverage
https://nullku7.github.io/stuff/exploit/dahua/2017/03/09/dahua-nvr-authbypass.htThird Party Advisory
https://twitter.com/null_ku7/status/839814344351240193Press/Media Coverage

FAQ

What is CVE-2017-6432?

CVE-2017-6432 is a vulnerability with a CVSS score of 8.1 (HIGH). An issue was discovered on Dahua DHI-HCVR7216A-S3 3.210.0001.10 build 2016-06-06 devices. The Dahua DVR Protocol, which operates on TCP Port 37777, is an unencrypted, binary protocol. Performing a Man...

How severe is CVE-2017-6432?

CVE-2017-6432 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-6432?

Check the references section above for vendor advisories and patch information. Affected products include: Dahuasecurity Nvr Firmware, Dahuasecurity Dhi-Hcvr7216A-S3.