CVE-2018-10167 : Vulnerability Insights and Analysis

TP-Link EAP Controller and Omada Controller versions 2.5.4_Windows/2.6.0_Windows have a vulnerability where the encrypted backup file of the web application can be decrypted using a hardcoded cryptographic key, allowing unauthorized privilege escalation.

Understanding CVE-2018-10167

In this CVE, a flaw in the encryption process of the backup file in TP-Link EAP Controller and Omada Controller versions 2.5.4_Windows/2.6.0_Windows can lead to unauthorized privilege escalation.

What is CVE-2018-10167?

The backup file of the web application in TP-Link EAP Controller and Omada Controller versions 2.5.4_Windows/2.6.0_Windows is encrypted using a predefined cryptographic key. If an attacker gains access to this key and the algorithm, they can decrypt the file, potentially altering it to gain higher privileges.

The Impact of CVE-2018-10167

Exploitation of this vulnerability could allow a user with limited privileges to modify the backup file and elevate their privileges within the system.

Technical Details of CVE-2018-10167

This section provides more technical insights into the vulnerability.

Vulnerability Description

The backup file of the web application in TP-Link EAP Controller and Omada Controller versions 2.5.4_Windows/2.6.0_Windows is encrypted with a predefined cryptographic key, enabling unauthorized decryption and potential privilege escalation.

Affected Systems and Versions

TP-Link EAP Controller versions 2.5.4_Windows/2.6.0_Windows

Exploitation Mechanism

An attacker needs to possess the cryptographic key and corresponding algorithm to decrypt the backup file.

Mitigation and Prevention

To address CVE-2018-10167, follow these mitigation strategies:

Immediate Steps to Take

Upgrade to version 2.6.1_Windows or the latest version to mitigate the vulnerability.
Restrict access to the backup files to authorized personnel only.

Long-Term Security Practices

Implement strong access controls and authentication mechanisms.
Regularly monitor and audit access to sensitive files and systems.

Patching and Updates

Regularly update the TP-Link EAP Controller and Omada Controller software to the latest versions to ensure security patches are applied.