Critical Buffer Overflow Vulnerability in ipmitool - Remote Code Execution Risk
Summary
DEBIAN-CVE-2020-5208: It's been found that multiple functions in ipmitool before 1.8.19 neglect proper checking of the data received from a remote LAN party, which may lead to buffer overflows and potentially to remote code execution on the i... Affects ipmitool versions < 1.8.18-10.1. Fixed in 1.8.18-10.1. How to fix ↓
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Background
ipmitool is a command-line utility used for managing and configuring devices that support the Intelligent Platform Management Interface (IPMI). It allows users to perform various tasks such as monitoring system health, managing power, and accessing system logs. The tool is widely used in server management and data center operations. However, prior to version 1.8.19, ipmitool had a vulnerability that could lead to serious security risks, particularly when run with elevated privileges.
Vulnerability Detail
The vulnerability identified in ipmitool before version 1.8.19 stems from inadequate validation of data received from remote sources. This oversight can result in buffer overflows, which may allow attackers to execute arbitrary code on the system running ipmitool. The risk is particularly pronounced when ipmitool is executed by a user with elevated privileges, potentially leading to unauthorized access and control over the affected system.
How To Fix
Minimum fixed version
1.8.18-10.1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade ipmitoolTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If immediate updating is not feasible, consider running ipmitool with reduced privileges or restricting its access to trusted networks only. This can help minimize the risk of exploitation until the package can be updated.
Conclusion
The buffer overflow vulnerability in ipmitool poses a significant risk, especially when the tool is run with elevated privileges. It is crucial for users to update to version 1.8.19 or later to protect their systems from potential exploitation. Additionally, utilizing tools like Vulert can help in monitoring for such vulnerabilities in the future.
See every vulnerability recorded for ipmitool →
FAQ
The vulnerability is a buffer overflow issue caused by improper data validation from remote sources, which can lead to remote code execution.
You can check your version of ipmitool by running 'ipmitool -V' in your terminal. If it is below 1.8.19, it is vulnerable.
Exploitation of this vulnerability can lead to unauthorized access, remote code execution, and complete control over the affected system.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just a manifest file like package-lock.json.
Detailed information can be found in the Debian CVE database or by visiting the Vulert playground at Vulert Scanner.
References
Related vulnerabilities
Recent vulnerabilities recorded for ipmitool.
