CVE-2018-1000060 : What You Need to Know

A vulnerability has been identified in Sensu Core version Before 1.2.0 & before commit 46ff10023e8cbf1b6978838f47c51b20b98fe30b of Sensu, Inc. This vulnerability, known as CWE-522, exists in the Sensu::Utilities.redact_sensitive() function and allows sensitive configuration data, such as passwords, to be logged as plaintext. Exploiting this vulnerability requires victims to have a configuration that matches a specific pattern, resulting in the sensitive data being outputted in their service log files. The issue has been addressed in version 1.2.1 and later, following the fix implemented after commit 46ff10023e8cbf1b6978838f47c51b20b98fe30b.

Understanding CVE-2018-1000060

This CVE identifies a vulnerability in Sensu Core that could lead to the exposure of sensitive configuration data.

What is CVE-2018-1000060?

CVE-2018-1000060 is a CWE-522 vulnerability in Sensu Core that allows sensitive data to be logged in plaintext, potentially exposing passwords and other confidential information.

The Impact of CVE-2018-1000060

The vulnerability could result in sensitive configuration data being exposed in clear text format, posing a risk to the confidentiality of passwords and other sensitive information.

Technical Details of CVE-2018-1000060

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability exists in the Sensu::Utilities.redact_sensitive() function, allowing sensitive data to be logged in plaintext.

Affected Systems and Versions

Sensu Core version Before 1.2.0
Versions before commit 46ff10023e8cbf1b6978838f47c51b20b98fe30b

Exploitation Mechanism

Exploiting this vulnerability requires victims to have a configuration that matches a specific pattern, leading to the exposure of sensitive data in service log files.

Mitigation and Prevention

Protecting systems from this vulnerability requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade to Sensu Core version 1.2.1 or later.
Apply the fix implemented after commit 46ff10023e8cbf1b6978838f47c51b20b98fe30b.

Long-Term Security Practices

Regularly review and update configurations to prevent exposure of sensitive data.
Implement encryption mechanisms for sensitive information.
Monitor log files for any signs of sensitive data exposure.
Educate users on secure configuration practices.
Stay informed about security updates and patches.

Patching and Updates

Ensure that systems are regularly patched and updated to the latest versions to mitigate the risk of vulnerabilities like CVE-2018-1000060.