Advisory ID：DHCC-SA-202206-001

First Published：2022-06-28

Cybersecurity is an on-going challenge for all IoT connected device manufacturers and users, as it is for all digital products and services. Dahua Technology is committed to developing and maintaining state-of-the-art cybersecurity practices, including through our product design process and our customer-facing Dahua Cybersecurity Center (DHCC) for transparent vulnerability reporting and handling.

In response to the security issues reported by Nozomi Networks, Dahua immediately conducted a comprehensive investigation of affected product models and has developed patches and firmware that fix the vulnerabilities. Please download from https://www.dahuasecurity.com/support/downloadCenter or contact Dahua local technical support to upgrade.

We strongly suggest, consistent with cybersecurity best practice, that all Dahua customers follow our security advisory, in order to insure their systems are up-to-date and maximally protected. In the meantime, customers with other concerns on cybersecurity related issues, please feel free to contact us at cybersecurity@dahuatech.com

Summary

1. CVE-2022-30560

When an attacker obtaining the administrative account and password, or through a man-in-the-middle attack, the attacker could send a specified crafted packet to the vulnerable interface then lead the device to crash.

2. CVE-2022-30561

When an attacker uses a man-in-the-middle attack to sniff the request packets with success logging in, the attacker could log in to the device by replaying the user's login packet.

3. CVE-2022-30562

If the user enables the https function on the device, an attacker can modify the user’s request data packet through a man-in-the-middle attack and redirect to a malicious page.

4. CVE-2022-30563

When an attacker uses a man-in-the-middle attack to sniff the request packets with success logging in through ONVIF, he can log in to the device by replaying the user's login packet.

Vulnerability CVSS Score

The vulnerability classification has been performed by using the CVSSv3.1 scoring system (http://www.first.org/cvss/specification-document).

CVE-2022-30560

Base Score: 5.4 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N)

Temporal Score: 4.9 (E:P/RL:O/RC:C)

CVE-2022-30561

Base Score: 5.9 (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Temporal Score: 5.3 (E:P/RL:O/RC:C)

CVE-2022-30562

Base Score: 3.7 (AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

Temporal Score: 3.4 (E:P/RL:O/RC:C)

CVE-2022-30563

Base Score: 6.8 (AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N)

Temporal Score: 6.1 (E:P/RL:O/RC:C)

Affected Products & Fix Software

The following product series and models are currently known to be affected.

Note: Please login to the Web interface of the device to view Build time, which you can find on the Settings-System Information-Version Information page (setting-systeminfo-version).

Fix Software Download

Please download the corresponding fix software or its newer version as listed in the above table from Dahua website, or contact Dahua local technical support to upgrade.

· Cloud Upgrade: Dahua products have the capability of cloud upgrade. Relevant repair versions can be obtained through cloud upgrade.

· Dahua Official website: Overseas: https://www.dahuasecurity.com/support/downloadCenter.

· Dahua Technical Support Personnel

Support Resources

For any questions or concerns related to our products and solutions, please contact Dahua PSIRT at psirt@dahuatech.com.

Acknowledgment

We acknowledge the support of Andrea Palanca from Nozomi Networks who discovered these vulnerabilities and reported to Dahua PSIRT.

Revision History