Critical Security Update for File Package: CVE-2019-18218
Summary
RHSA-2021:4374: Red Hat Security Advisory: file security update. Affects file versions < 0:5.33-20.el8. Fixed in 0:5.33-20.el8. How to fix ↓
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Background
The 'file' package is a widely used utility in Linux systems that determines the type of a file by examining its content rather than its file extension. It is essential for various applications and system operations, providing critical functionality for file management and processing. This package is part of the Red Hat Enterprise Linux 8 base operating system and is crucial for maintaining system integrity and security.
Vulnerability Detail
The vulnerability identified as CVE-2019-18218 affects the 'file' package, allowing an attacker to exploit a flaw in the way the package processes certain file types. This can lead to potential denial of service or arbitrary code execution, posing significant risks to system security. The vulnerability has a CVSS score of 7.8, indicating a high severity level, which necessitates immediate attention and remediation.
How To Fix
Minimum fixed version
0:5.33-20.el8
This is the first release that contains the fix.
sudo dnf update fileTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users can limit access to the affected package or disable its functionality until the update is applied. However, this is not a permanent solution and should be followed by an update as soon as possible.
Conclusion
The CVE-2019-18218 vulnerability in the 'file' package poses significant risks to system security, with a CVSS score of 7.8. It is crucial for users to update to the patched version 0:5.33-20.el8 to mitigate these risks. Temporary workarounds can be employed, but they should not replace the need for a proper update.
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FAQ
CVE-2019-18218 is a security vulnerability in the 'file' package that could allow attackers to execute arbitrary code or cause a denial of service.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
The CVSS score of CVE-2019-18218 is 7.8, indicating a high severity level that requires prompt action.
If an immediate update is not possible, consider limiting access to the affected package as a temporary workaround until the update can be applied.
More information about the 'file' package and its functionalities can be found in the official Red Hat documentation and community forums.
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