Critical Security Update for setroubleshoot and setroubleshoot-plugins: CVE-2016-4444, CVE-2016-4446, CVE-2016-4989
Summary
RHSA-2016:1293: Red Hat Security Advisory: setroubleshoot and setroubleshoot-plugins security update. Affects setroubleshoot versions < 0:3.2.24-4.el7_2. Fixed in 0:3.2.24-4.el7_2. How to fix ↓
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Background
setroubleshoot is a diagnostic tool for SELinux that provides detailed information about SELinux denials and helps users understand and troubleshoot security policies. It is an essential component for system administrators managing SELinux on Red Hat Enterprise Linux systems. The tool includes various plugins that enhance its functionality, but vulnerabilities in these components can lead to security risks.
Vulnerability Detail
The vulnerabilities identified as CVE-2016-4444, CVE-2016-4446, and CVE-2016-4989 affect the setroubleshoot package and its plugins. These vulnerabilities originate from improper handling of certain inputs, which could allow an attacker to execute arbitrary code or escalate privileges on the affected systems. The ramifications of these vulnerabilities can be severe, potentially compromising the integrity and confidentiality of the system.
How To Fix
Minimum fixed version
0:3.2.24-4.el7_2
This is the first release that contains the fix.
sudo dnf update setroubleshootTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If immediate patching is not possible, consider disabling the setroubleshoot service temporarily until the update can be applied. You can stop the service using the following command:
sudo systemctl stop setroubleshoot.service
However, this is not a long-term solution and should only be used as a temporary measure.
Conclusion
In summary, the vulnerabilities in the setroubleshoot package pose significant security risks that can lead to arbitrary code execution and privilege escalation. It is crucial to update to the patched versions to secure your systems. Utilize tools like Vulert for ongoing monitoring of open-source vulnerabilities.
See every vulnerability recorded for setroubleshoot →
FAQ
The vulnerabilities are CVE-2016-4444, CVE-2016-4446, and CVE-2016-4989, which can lead to arbitrary code execution and privilege escalation.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without needing to sign up.
As a temporary workaround, you can stop the setroubleshoot service to mitigate the risk until you can apply the updates.
Yes, not updating can leave your system vulnerable to attacks that exploit these vulnerabilities, potentially leading to unauthorized access or data breaches.
Detailed information can be found in the Red Hat Security Advisory RHSA-2016:1293, which outlines the vulnerabilities and their impact.
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