CVE-2017-1460 : What You Need to Know

Versions 6.1, 7.1, 7.2, and 7.3 of IBM i OSPF can be compromised if a malicious router impersonates its source, potentially causing a loss of connectivity.

Understanding CVE-2017-1460

What is CVE-2017-1460?

CVE-2017-1460 is a vulnerability in IBM i OSPF versions 6.1, 7.1, 7.2, and 7.3 that allows a malicious router to disrupt routing tables by omitting a Link State Advertisement (LSA), leading to a potential loss of connectivity.

The Impact of CVE-2017-1460

This vulnerability can result in a Denial of Service (DoS) scenario where legitimate network traffic may be disrupted, affecting the availability of services.

Technical Details of CVE-2017-1460

Vulnerability Description

The vulnerability in IBM i OSPF versions 6.1, 7.1, 7.2, and 7.3 allows a rogue router to spoof its origin, impacting routing tables by omitting necessary information, potentially causing a loss of connectivity.

Affected Systems and Versions

Product: IBM
Versions affected: 6.1, 7.1, 7.2, 7.3

Exploitation Mechanism

A malicious router impersonates its source
Disruption of routing tables by omitting a Link State Advertisement (LSA)
Potential loss of connectivity

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by IBM to address the vulnerability
Monitor network traffic for any suspicious activity
Implement network segmentation to limit the impact of potential attacks

Long-Term Security Practices

Regularly update and patch all systems and software
Conduct security training for network administrators to recognize and respond to potential threats

Patching and Updates

IBM may release security patches to fix the vulnerability
Stay informed about security advisories from IBM and apply patches promptly