Use After Free Vulnerability in vim
Summary
CVE-2021-4192: vim is vulnerable to Use After Free. Affects vim versions < 8.2.4173-r0. Fixed in 8.2.4173-r0. How to fix ↓
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Background
vim is a highly popular text editor known for its extensive features and customization options. It is widely used by developers and system administrators for editing code and text files. However, the vim package is vulnerable to a Use After Free vulnerability, which can lead to serious security issues.
Vulnerability Detail
The Use After Free vulnerability in vim occurs when the program continues to reference memory after it has been freed. This can result in the execution of arbitrary code or a crash, potentially allowing an attacker to gain unauthorized access or cause a denial of service. The vulnerability has a CVSS score of 7.8, indicating a high severity level.
How To Fix
Minimum fixed version
8.2.4173-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
There is no known workaround for this vulnerability. It is essential to update the vim package to the fixed version to address the issue effectively.
Conclusion
The Use After Free vulnerability in vim poses a significant security risk and should be addressed promptly. By updating to the fixed version, users can mitigate the vulnerability and ensure the security of their systems. For additional support, contact DevNack.com.
See every vulnerability recorded for vim →
FAQ
The Use After Free vulnerability in vim can allow an attacker to execute arbitrary code or cause a denial of service. This can lead to unauthorized access, data breaches, or system crashes.
You can use the Vulert Playground at Vulert Scanner to check if your vim installation is affected by this vulnerability. Simply upload your package-lock.json file, and Vulert will analyze it for any open-source vulnerabilities, including this Use After Free vulnerability.
At the time of this report, there is no known exploit publicly available for this vulnerability. However, it is crucial to update your vim installation to the fixed version to prevent any potential exploitation.
Yes, all versions of vim prior to 8.2.4173-r0 are vulnerable to this Use After Free issue. It is recommended to update to the fixed version to ensure the security of your vim installation.
For further support and assistance in vulnerability remediation, you can contact info@devnack.com. They can provide guidance and help you address the Use After Free vulnerability in your vim installation.
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