Critical Security Advisory: sysstat Package Vulnerability in Red Hat Enterprise Linux 8
Summary
RHSA-2023:2800: Red Hat Security Advisory: sysstat security and bug fix update. Affects sysstat versions < 0:11.7.3-9.el8. Fixed in 0:11.7.3-9.el8. How to fix ↓
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Background
The sysstat package is a collection of performance monitoring tools for Linux systems, providing utilities to collect and report system activity information. It includes tools like sar, iostat, and mpstat, which are essential for system administrators to analyze performance metrics and diagnose issues. This package is widely used in enterprise environments to ensure optimal system performance. However, a recently identified vulnerability poses a significant risk to systems utilizing this package.
Vulnerability Detail
The vulnerability, identified as CVE-2022-39377, originates from a flaw in the sysstat package that could allow an attacker to exploit system performance monitoring tools. The potential ramifications include unauthorized access to sensitive system information, which could lead to further exploitation or data breaches. The vulnerability has a CVSS score of 7.8, indicating a high severity level, and affects the integrity and confidentiality of the system.
How To Fix
Minimum fixed version
0:11.7.3-9.el8
This is the first release that contains the fix.
sudo dnf update sysstatTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, system administrators can disable the sysstat service until the package is updated. This can be done by running the command:
sudo systemctl stop sysstat' followed by 'sudo systemctl disable sysstat
However, this is not a permanent solution and updating the package is strongly recommended.
Conclusion
The sysstat package vulnerability (CVE-2022-39377) poses a significant risk to systems running Red Hat Enterprise Linux 8. It is crucial to update the package to the patched version to protect against potential exploitation. System administrators should also consider using tools like Vulert to monitor for vulnerabilities in real-time.
See every vulnerability recorded for sysstat →
FAQ
CVE-2022-39377 is a security vulnerability in the sysstat package that could allow unauthorized access to sensitive system information.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Failing to address this vulnerability could lead to unauthorized access and potential data breaches, compromising the integrity and confidentiality of your system.
While the vulnerability primarily affects system monitoring, it could lead to further exploitation that may result in data loss if not addressed.
It is recommended to regularly check for updates and apply them promptly to mitigate security risks associated with known vulnerabilities.
Related vulnerabilities
Recent vulnerabilities recorded for sysstat.
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