CVE-2019-15074 : Exploit Details and Defense Strategies

A stored cross-site scripting (XSS) vulnerability in the Timeline feature of MantisBT version 2.21.1 or earlier allows for arbitrary code execution.

Understanding CVE-2019-15074

This CVE involves a security issue in MantisBT that could lead to the execution of malicious code.

What is CVE-2019-15074?

The vulnerability exists in the my_view_page.php file of MantisBT versions 2.21.1 and below, enabling attackers to execute arbitrary code by manipulating attachment filenames.

The Impact of CVE-2019-15074

The vulnerability permits the execution of arbitrary code when a user with visibility to the related issue accesses the My View Page.

Technical Details of CVE-2019-15074

This section delves into the specifics of the vulnerability.

Vulnerability Description

The stored XSS vulnerability in MantisBT allows attackers to execute arbitrary code by uploading attachments with manipulated filenames.

Affected Systems and Versions

MantisBT version 2.21.1 and earlier

Exploitation Mechanism

Attackers exploit the vulnerability by uploading attachments with crafted filenames
Code execution occurs when a user with visibility to the issue accesses the My View Page

Mitigation and Prevention

Protecting systems from CVE-2019-15074 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade MantisBT to version 2.21.2 or later
Review and adjust Content Security Policy (CSP) settings

Long-Term Security Practices

Regularly update and patch MantisBT installations
Educate users on safe attachment handling practices

Patching and Updates

Apply patches provided by MantisBT to address the vulnerability