CVE-2019-15929 : Exploit Details and Defense Strategies

Craft CMS versions up to 3.1.7 had a vulnerability where the elevated session password prompt did not have the same rate limiting protection as regular login forms, potentially exposing them to brute force attacks.

Understanding CVE-2019-15929

Craft CMS through version 3.1.7 was susceptible to a security flaw related to the lack of rate limiting on elevated session password prompts, making them vulnerable to brute force attacks.

What is CVE-2019-15929?

Craft CMS versions up to 3.1.7 were affected by a vulnerability that allowed brute force attacks on elevated session password prompts due to the absence of rate limiting protection.

The Impact of CVE-2019-15929

The vulnerability in Craft CMS could potentially lead to unauthorized access through brute force attacks on elevated session password prompts, compromising the security of the system.

Technical Details of CVE-2019-15929

Craft CMS version 3.1.7 and below had the following technical details:

Vulnerability Description

Craft CMS through version 3.1.7 lacked rate limiting on elevated session password prompts, increasing the risk of brute force attempts.

Affected Systems and Versions

Product: Craft CMS
Vendor: Not applicable
Versions affected: Up to 3.1.7

Exploitation Mechanism

The vulnerability allowed attackers to potentially launch brute force attacks on the elevated session password prompts in Craft CMS versions up to 3.1.7.

Mitigation and Prevention

To address CVE-2019-15929, consider the following steps:

Immediate Steps to Take

Update Craft CMS to version 3.1.8 or later to mitigate the vulnerability.
Monitor login attempts for any suspicious activity.

Long-Term Security Practices

Implement strong password policies for user accounts.
Regularly review and update security configurations.

Patching and Updates

Apply patches and updates provided by Craft CMS to address security vulnerabilities promptly.