CVE-2017-8147 : Vulnerability Insights and Analysis

A vulnerability in Huawei Technologies Co., Ltd.'s Secospace USG6600 V500R001C00SPC050 allows attackers to manipulate the route table and launch a DoS attack.

Understanding CVE-2017-8147

This CVE involves an improper OSPF implementation affecting the MaxAge LSA in the Secospace USG6600.

What is CVE-2017-8147?

The vulnerability in Secospace USG6600 allows attackers to set the LS age to MaxAge by sending specific LSA packets, enabling route table manipulation.

The Impact of CVE-2017-8147

Exploiting this vulnerability can lead to a Denial of Service (DoS) attack by poisoning the route table.

Technical Details of CVE-2017-8147

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The MaxAge LSA vulnerability in Secospace USG6600 arises from an improper OSPF implementation, allowing attackers to set the LS age to MaxAge.

Affected Systems and Versions

Products: AC6005, AC6605, AR1200, AR200, AR3200, CloudEngine series, E600, S series, and Secospace USG6600
Versions: Various versions of the mentioned products are affected.

Exploitation Mechanism

Attackers exploit the vulnerability by sending specific LSA packets to set the LS age to MaxAge, enabling route table manipulation.

Mitigation and Prevention

Protecting systems from CVE-2017-8147 involves immediate steps and long-term security practices.

Immediate Steps to Take

Apply patches provided by Huawei promptly.
Monitor network traffic for any suspicious activity.
Implement firewall rules to restrict unauthorized access.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Conduct security audits and penetration testing periodically.
Educate users and IT staff about cybersecurity best practices.

Patching and Updates

Huawei has released patches to address the vulnerability. Ensure all affected systems are updated with the latest patches.