CVE-2017-7399 : Exploit Details and Defense Strategies

A vulnerability has been identified in Cloudera Manager versions 5.8.x prior to 5.8.5, 5.9.x prior to 5.9.2, and 5.10.x prior to 5.10.1 that allows a read-only user to discover other users' usernames and potentially gain elevated privileges.

Understanding CVE-2017-7399

This CVE pertains to a security vulnerability in Cloudera Manager versions that could lead to unauthorized access and privilege escalation.

What is CVE-2017-7399?

CVE-2017-7399 is a vulnerability in Cloudera Manager versions 5.8.x, 5.9.x, and 5.10.x that enables a read-only user to identify other users' usernames and potentially escalate their privileges.

The Impact of CVE-2017-7399

The vulnerability allows unauthorized users to gain insights into other users' identities and potentially exploit this information to elevate their own privileges within the system.

Technical Details of CVE-2017-7399

This section provides more in-depth technical details regarding the vulnerability.

Vulnerability Description

Cloudera Manager versions 5.8.x before 5.8.5, 5.9.x before 5.9.2, and 5.10.x before 5.10.1 allow a read-only user to discover the usernames of other users and elevate their privileges.

Affected Systems and Versions

Cloudera Manager 5.8.x versions prior to 5.8.5
Cloudera Manager 5.9.x versions prior to 5.9.2
Cloudera Manager 5.10.x versions prior to 5.10.1

Exploitation Mechanism

The vulnerability enables a read-only Cloudera Manager user to learn about other users' usernames and potentially exploit this information to gain elevated privileges.

Mitigation and Prevention

To address CVE-2017-7399, follow these mitigation and prevention strategies:

Immediate Steps to Take

Upgrade Cloudera Manager to versions 5.8.5, 5.9.2, or 5.10.1 to mitigate the vulnerability.
Restrict access permissions to sensitive information within the system.

Long-Term Security Practices

Regularly review and update user access levels and permissions.
Conduct security training for users to raise awareness about privilege escalation risks.

Patching and Updates

Apply security patches and updates provided by Cloudera to address known vulnerabilities and enhance system security.