CVE-2019-12258 : Security Advisory and Response

Wind River VxWorks versions 6.6 through vx7 are affected by a security vulnerability known as Session Fixation in the TCP component, allowing attackers to exploit malformed TCP options for Denial of Service (DoS) attacks.

Understanding CVE-2019-12258

This CVE involves a vulnerability in the TCP component of Wind River VxWorks versions 6.6 through vx7, leading to a Session Fixation issue.

What is CVE-2019-12258?

The vulnerability in Wind River VxWorks versions 6.6 through vx7 allows attackers to launch Denial of Service (DoS) attacks on TCP connections by taking advantage of malformed TCP options.

The Impact of CVE-2019-12258

Attackers can exploit this vulnerability to disrupt TCP connections, potentially leading to service unavailability.

Technical Details of CVE-2019-12258

This section provides more technical insights into the vulnerability.

Vulnerability Description

The TCP component in Wind River VxWorks versions 6.6 through vx7 is susceptible to Session Fixation, enabling DoS attacks on TCP connections through malformed TCP options.

Affected Systems and Versions

Wind River VxWorks versions 6.6 through vx7

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating TCP options to disrupt TCP connections.

Mitigation and Prevention

Protecting systems from CVE-2019-12258 is crucial to maintaining security.

Immediate Steps to Take

Apply patches or updates provided by Wind River to address the vulnerability.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update and patch systems to prevent known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Wind River may release patches or updates to mitigate the vulnerability; ensure timely implementation.