CVE-2017-18101 Explained : Impact and Mitigation

Atlassian JIRA Server versions before 7.6.5, from 7.7.0 before 7.7.3, from 7.8.0 before 7.8.3, and before 7.9.0 are vulnerable to remote attacks due to improper access control.

Understanding CVE-2017-18101

In this CVE, several external system import resources in Atlassian JIRA Server can be exploited by remote attackers to execute import operations and identify internal services.

What is CVE-2017-18101?

This CVE pertains to a vulnerability in Atlassian JIRA Server that allows remote attackers to perform import operations and detect internal services due to the lack of permission checks.

The Impact of CVE-2017-18101

The vulnerability can lead to unauthorized access and potential exposure of sensitive information stored in JIRA Server.

Technical Details of CVE-2017-18101

Atlassian JIRA Server vulnerability details:

Vulnerability Description

Improper access control in JIRA Server versions

Affected Systems and Versions

Atlassian JIRA Server versions before 7.6.5
Versions from 7.7.0 before 7.7.3
Versions from 7.8.0 before 7.8.3
Versions before 7.9.0

Exploitation Mechanism

Remote attackers can exploit external system import resources to execute operations and identify internal services

Mitigation and Prevention

Protect your systems from CVE-2017-18101:

Immediate Steps to Take

Update JIRA Server to versions 7.6.5, 7.7.3, 7.8.3, or newer
Implement strict access controls and permissions

Long-Term Security Practices

Regularly monitor and audit system access
Train users on secure practices and permissions management

Patching and Updates

Apply security patches and updates provided by Atlassian