CVE-2019-9679 : Exploit Details and Defense Strategies
Learn about CVE-2019-9679, a privilege escalation vulnerability in Dahua products allowing unauthorized access to Debug functions. Find mitigation steps and affected systems here.
A vulnerability in certain Debug functions of Dahua products allows low-privileged users to access the Debug function, impacting various Dahua camera models.
Understanding CVE-2019-9679
This CVE identifies a privilege escalation vulnerability in Dahua products.
What is CVE-2019-9679?
This vulnerability arises from a lack of permission separation in specific Debug functions of Dahua products, enabling low-privileged users to utilize the Debug function after logging in. The affected products include various Dahua camera models with versions built before August 18, 2019.
The Impact of CVE-2019-9679
The vulnerability allows unauthorized users to access Debug functions, potentially leading to unauthorized system changes and data exposure.
Technical Details of CVE-2019-9679
This section provides technical insights into the vulnerability.
Vulnerability Description
The vulnerability stems from the absence of permission segregation in certain Debug functions of Dahua products, enabling low-privileged users to exploit the Debug function post-login.
Affected Systems and Versions
- Vendor: Dahua Technology
- Affected Products: IPC-HDW1X2X, IPC-HFW1X2X, IPC-HDW2X2X, IPC-HFW2X2X, IPC-HDW4X2X, IPC-HFW4X2X, IPC-HDBW4X2X, IPC-HDW5X2X, IPC-HFW5X2X
- Vulnerable Versions: Those built before August 18, 2019
Exploitation Mechanism
The vulnerability allows low-privileged users to access Debug functions, potentially leading to unauthorized system modifications and data compromise.
Mitigation and Prevention
Protect your systems from CVE-2019-9679 with the following measures:
Immediate Steps to Take
- Update affected Dahua products to versions built after August 18, 2019.
- Restrict access to Debug functions to authorized personnel only.
Long-Term Security Practices
- Regularly monitor and audit user permissions and access levels.
- Implement network segmentation to limit the impact of potential breaches.
Patching and Updates
- Apply patches and firmware updates provided by Dahua Technology to address the vulnerability.