CVE-2017-12289 : Exploit Details and Defense Strategies

Cisco IOS XE Software's conditional, verbose debug logging for the IPsec feature may expose sensitive information, potentially leading to unauthorized access.

Understanding CVE-2017-12289

An issue in Cisco IOS XE Software allows authenticated local attackers to view confidential IPsec details through incorrect IPsec debug logging.

What is CVE-2017-12289?

The vulnerability in Cisco IOS XE Software enables unauthorized access to sensitive IPsec data by exploiting debug logging.

The Impact of CVE-2017-12289

The vulnerability could lead to unauthorized disclosure of confidential IPsec configuration details, compromising system security.

Technical Details of CVE-2017-12289

Cisco IOS XE Software vulnerability details and affected systems.

Vulnerability Description

Incorrect implementation of IPsec debug logging exposes sensitive data in system log files.
Exploitable by authenticated local attackers with administrative privileges.

Affected Systems and Versions

Product: Cisco IOS XE
Version: Cisco IOS XE

Exploitation Mechanism

Attacker authenticates to the device and enables verbose debug logging for IPsec to access log files.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2017-12289.

Immediate Steps to Take

Disable verbose debug logging for IPsec unless necessary.
Monitor system logs for unauthorized access.

Long-Term Security Practices

Regularly review and restrict access to sensitive system logs.
Implement least privilege access controls.

Patching and Updates

Apply patches and updates from Cisco to address the vulnerability.