CVE-2020-24577 : Vulnerability Insights and Analysis
Learn about CVE-2020-24577 affecting D-Link DSL-2888A devices. Discover how sensitive information like admin passwords is exposed and find mitigation steps.
An issue was discovered on D-Link DSL-2888A devices with firmware prior to AU_2.31_V1.1.47ae55. The One Touch application discloses sensitive information, such as the hashed admin login password and the Internet provider connection username and cleartext password, in the application's response body for a /tmp/var/passwd or /tmp/home/wan_stat URI.
Understanding CVE-2020-24577
This CVE involves a security vulnerability on D-Link DSL-2888A devices that exposes sensitive information.
What is CVE-2020-24577?
The vulnerability allows unauthorized disclosure of sensitive data like admin login password and Internet provider connection details.
The Impact of CVE-2020-24577
The exposure of such critical information can lead to unauthorized access to the device and potential compromise of user credentials.
Technical Details of CVE-2020-24577
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The One Touch application on D-Link DSL-2888A devices leaks sensitive data in its response body, including hashed admin login credentials and cleartext Internet provider connection details.
Affected Systems and Versions
- Affected Device: D-Link DSL-2888A
- Firmware Version: Prior to AU_2.31_V1.1.47ae55
Exploitation Mechanism
The vulnerability occurs when accessing specific URIs (/tmp/var/passwd or /tmp/home/wan_stat) through the One Touch application, leading to the exposure of sensitive information.
Mitigation and Prevention
Protecting against CVE-2020-24577 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Update D-Link DSL-2888A firmware to version AU_2.31_V1.1.47ae55 or later.
- Avoid accessing sensitive information through vulnerable applications.
Long-Term Security Practices
- Regularly monitor for security advisories and updates from D-Link.
- Implement strong password policies and avoid storing sensitive data on vulnerable devices.
Patching and Updates
- Apply patches and firmware updates provided by D-Link to address the vulnerability.