CVE-2018-18898 : Security Advisory and Response

Remote attackers can exploit the email-ingestion feature of Best Practical Request Tracker versions 4.1.13 to 4.4 to cause a denial of service through an algorithmic complexity attack targeting email address parsing.

Understanding CVE-2018-18898

This CVE involves a vulnerability in Best Practical Request Tracker that allows remote attackers to launch denial of service attacks.

What is CVE-2018-18898?

The email-ingestion feature in Best Practical Request Tracker versions 4.1.13 through 4.4 is susceptible to a denial of service vulnerability caused by an algorithmic complexity attack on email address parsing.

The Impact of CVE-2018

This vulnerability can be exploited by remote attackers to disrupt the normal operation of the affected systems, leading to a denial of service condition.

Technical Details of CVE-2018-18898

This section provides more technical insights into the CVE.

Vulnerability Description

The email-ingestion feature in Best Practical Request Tracker versions 4.1.13 through 4.4 allows denial of service by remote attackers via an algorithmic complexity attack on email address parsing.

Affected Systems and Versions

Best Practical Request Tracker versions 4.1.13 to 4.4

Exploitation Mechanism

Attackers exploit the email-ingestion feature through algorithmic complexity attacks targeting email address parsing.

Mitigation and Prevention

Protect your systems from CVE-2018-18898 with these mitigation strategies.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Monitor network traffic for any suspicious activity.
Implement strong email filtering mechanisms to detect and block malicious emails.

Long-Term Security Practices

Regularly update and patch all software and applications to prevent vulnerabilities.
Conduct regular security assessments and penetration testing to identify and address potential weaknesses.
Educate users about email security best practices to prevent falling victim to email-based attacks.

Patching and Updates

Check the vendor's website for patches and updates related to Best Practical Request Tracker versions 4.1.13 to 4.4.