CVE-2019-13140 : What You Need to Know
Learn about CVE-2019-13140, a vulnerability in Inteno routers allowing unauthorized access to encryption keys. Find mitigation steps and long-term security practices here.
A misconfiguration in the JUCI ACL of Inteno EG200 EG200-WU7P1U_ADAMO3.16.4-190226_1650 routers allows unauthorized access to the 3DES key, posing a security risk.
Understanding CVE-2019-13140
This CVE involves a vulnerability in Inteno routers that enables the extraction of sensitive encryption keys.
What is CVE-2019-13140?
The vulnerability in the JUCI ACL of Inteno routers permits the retrieval of the 3DES key by the "user" account using specific JSON commands to ubus. This key is crucial for decrypting provisioning files from a publicly accessible URL via unsecured HTTP.
The Impact of CVE-2019-13140
The exploitation of this vulnerability can lead to unauthorized access to sensitive information, potentially compromising the security and confidentiality of data transmitted through the affected routers.
Technical Details of CVE-2019-13140
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The misconfiguration in the JUCI ACL of Inteno routers allows the "user" account to extract the 3DES key through JSON commands, exposing sensitive encryption information.
Affected Systems and Versions
- Product: Inteno EG200 EG200-WU7P1U_ADAMO3.16.4-190226_1650 routers
- Version: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by sending specific JSON commands to ubus using the "user" account, enabling the extraction of the 3DES key for decryption purposes.
Mitigation and Prevention
Protecting systems from CVE-2019-13140 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Disable remote access to the affected routers if not essential
- Implement strong password policies for all user accounts
- Monitor network traffic for any suspicious activities
Long-Term Security Practices
- Regularly update router firmware to patch known vulnerabilities
- Conduct security audits to identify and address potential weaknesses
- Educate users on safe browsing habits and security best practices
Patching and Updates
- Check for firmware updates from Inteno and apply patches promptly to address the vulnerability