CVE-2019-9229 : Exploit Details and Defense Strategies

A vulnerability has been identified in AudioCodes Mediant devices allowing unauthorized access to quagga VTYs through a default password.

Understanding CVE-2019-9229

This CVE involves a security issue in AudioCodes Mediant devices that could be exploited by attackers within the local network.

What is CVE-2019-9229?

The vulnerability in AudioCodes Mediant devices running specific firmware versions allows attackers to gain unauthorized access to quagga VTYs using a default password.

The Impact of CVE-2019-9229

Attackers within the local network can exploit this vulnerability to carry out malicious activities without proper authorization.

Technical Details of CVE-2019-9229

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability is related to an internal interface accessible through the link-local address 169.254.254.253, enabling unauthorized access to multiple quagga VTYs.

Affected Systems and Versions

AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR, and 800C-MSBR devices
Firmware versions F7.20A to F7.20A.251

Exploitation Mechanism

Attackers authenticate using the default password 1234, which cannot be modified
Unauthorized access to quagga VTYs within the local network

Mitigation and Prevention

Protect your systems from CVE-2019-9229 with the following steps:

Immediate Steps to Take

Disable access to the vulnerable interface
Change default passwords to strong, unique ones
Implement network segmentation to limit access

Long-Term Security Practices

Regularly monitor and audit network traffic
Keep firmware and software up to date
Conduct security training for employees

Patching and Updates

Apply patches and updates provided by AudioCodes