CVE-2019-15529 : Exploit Details and Defense Strategies
Learn about CVE-2019-15529, a vulnerability on D-Link DIR-823G devices allowing command injection through HNAP1. Find out the impact, affected systems, and mitigation steps.
A vulnerability has been found on D-Link DIR-823G devices running firmware version V1.0.2B05. This vulnerability allows for command injection through HNAP1, which can be exploited with Authentication by utilizing shell metacharacters in the Username field during the Login process.
Understanding CVE-2019-15529
This CVE identifies a command injection vulnerability in D-Link DIR-823G devices.
What is CVE-2019-15529?
CVE-2019-15529 is a security flaw that enables attackers to execute arbitrary commands on affected D-Link DIR-823G devices by exploiting a vulnerability in the HNAP1 protocol.
The Impact of CVE-2019-15529
The exploitation of this vulnerability can lead to unauthorized command execution on the device, potentially compromising its security and allowing attackers to gain control over the system.
Technical Details of CVE-2019-15529
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability in D-Link DIR-823G devices with firmware V1.0.2B05 allows for command injection through HNAP1, specifically by using shell metacharacters in the Username field during the Login process.
Affected Systems and Versions
- Product: D-Link DIR-823G
- Firmware Version: V1.0.2B05
Exploitation Mechanism
Attackers can exploit this vulnerability by inserting shell metacharacters in the Username field during the Login process, enabling them to execute unauthorized commands on the device.
Mitigation and Prevention
Protecting systems from CVE-2019-15529 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update the firmware of D-Link DIR-823G devices to a patched version that addresses the vulnerability.
- Monitor network traffic for any suspicious activities that may indicate exploitation attempts.
Long-Term Security Practices
- Implement strong authentication mechanisms to prevent unauthorized access to devices.
- Regularly audit and update firmware to ensure the latest security patches are applied.
Patching and Updates
Ensure that all D-Link DIR-823G devices are running the latest firmware version that includes fixes for CVE-2019-15529.