CVE-2020-14193 : Security Advisory and Response

Automation for Jira - Server versions prior to 7.1.15 are vulnerable to template injection, allowing remote attackers to read and render files via mustache templates.

Understanding CVE-2020-14193

This CVE involves a template injection vulnerability in Automation for Jira - Server versions before 7.1.15, enabling attackers to manipulate files using mustache templates.

What is CVE-2020-14193?

CVE-2020-14193 refers to a security flaw in Automation for Jira - Server that permits remote threat actors to access and display files as mustache templates, exploiting a template injection vulnerability in Jira smart values.

The Impact of CVE-2020-14193

The vulnerability allows attackers to read and render files within specific directories, potentially leading to unauthorized access to sensitive information and system compromise.

Technical Details of CVE-2020-14193

Automation for Jira - Server versions prior to 7.1.15 are susceptible to this template injection vulnerability.

Vulnerability Description

The flaw enables remote attackers to manipulate files as mustache templates in directories like WEB-INF/classes and <jira-installation>/jira/bin through Jira smart values using mustache partials.

Affected Systems and Versions

Product: Automation for Jira
Vendor: Atlassian
Vulnerable Versions: < 7.1.15
Version Type: Custom

Exploitation Mechanism

Attackers exploit the vulnerability by injecting malicious templates into Jira smart values, allowing them to read and render files within specific directories.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of CVE-2020-14193.

Immediate Steps to Take

Update Automation for Jira - Server to version 7.1.15 or later to mitigate the vulnerability.
Monitor system logs for any suspicious activities indicating potential exploitation.

Long-Term Security Practices

Regularly update software and apply security patches to prevent known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential weaknesses.
Educate users and administrators on secure coding practices and the importance of vigilance against cyber threats.

Patching and Updates

Atlassian has released version 7.1.15 to address the vulnerability. Ensure timely installation of patches and updates to protect systems from exploitation.