Critical Use After Free Vulnerability in Vim Package
Summary
ALPINE-CVE-2022-4292: Use After Free in GitHub repository vim/vim prior to 9.0.0882. Affects vim versions < 9.0.0999-r0. Fixed in 9.0.0999-r0. How to fix ↓
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Background
Vim is a highly configurable text editor built to enable efficient text editing. It is widely used by developers and system administrators for its powerful features and extensibility. However, like any software, it can be susceptible to vulnerabilities that may compromise its functionality and security. This specific vulnerability affects multiple versions of Vim across various Alpine Linux distributions.
Vulnerability Detail
The vulnerability identified as CVE-2022-4292 is a Use After Free issue found in the Vim package prior to version 9.0.0882. This flaw allows an attacker to exploit the memory management of the application, potentially leading to arbitrary code execution or crashes. The vulnerability arises from improper handling of memory, which can be manipulated under certain conditions, posing significant risks to users and systems relying on Vim for critical tasks.
How To Fix
Minimum fixed version
9.0.0999-r0
This is the first release that contains the fix.
sudo apk add --upgrade vimTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, users can avoid using features of Vim that may trigger the vulnerability until the package is updated. Regularly check for updates and apply them as soon as they are available to minimize exposure to this vulnerability.
Conclusion
The Use After Free vulnerability in the Vim package poses a significant risk to users and systems. It is crucial to update to the patched version to mitigate potential threats. Regular monitoring and updates are essential for maintaining software security.
See every vulnerability recorded for vim →
FAQ
CVE-2022-4292 is a Use After Free vulnerability in the Vim text editor that can lead to memory corruption and potential code execution.
You can check your version of Vim by running 'vim --version' in the terminal. If it is below 9.0.0999-r0, it is vulnerable.
Exploitation of this vulnerability can lead to arbitrary code execution, crashes, or data corruption, posing significant security risks.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using just a manifest file like package-lock.json.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
References
Related vulnerabilities
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