CVE-2019-15009 : Exploit Details and Defense Strategies

An improper authorization vulnerability in Atlassian Fisheye and Crucible prior to version 4.8.0 allows remote attackers to revoke the favorite setting for a project belonging to another user.

Understanding CVE-2019-15009

This CVE involves an improper authorization vulnerability in Atlassian Fisheye and Crucible that could be exploited by remote attackers.

What is CVE-2019-15009?

The vulnerability allows attackers to remove another user's favorite setting for a project through a specific resource.

The Impact of CVE-2019-15009

This vulnerability could lead to unauthorized access and manipulation of project settings by malicious actors.

Technical Details of CVE-2019-15009

This section provides more technical insights into the CVE.

Vulnerability Description

The /json/profile/removeStarAjax.do resource in Atlassian Fisheye and Crucible before version 4.8.0 is susceptible to improper authorization, enabling attackers to tamper with project settings.

Affected Systems and Versions

Product: Crucible
Vendor: Atlassian
Versions Affected: Less than 4.8.0
Product: Fisheye
Vendor: Atlassian
Versions Affected: Less than 4.8.0

Exploitation Mechanism

Attackers can exploit this vulnerability remotely by manipulating the /json/profile/removeStarAjax.do resource to alter project settings.

Mitigation and Prevention

Protecting systems from CVE-2019-15009 is crucial to maintaining security.

Immediate Steps to Take

Upgrade Atlassian Fisheye and Crucible to version 4.8.0 or higher to mitigate the vulnerability.
Monitor project settings for any unauthorized changes.

Long-Term Security Practices

Implement strict access controls to limit unauthorized modifications.
Regularly audit and review user permissions to prevent similar vulnerabilities.

Patching and Updates

Stay informed about security updates from Atlassian and promptly apply patches to address known vulnerabilities.