Critical Use After Free Vulnerability in Vim Package - CVE-2022-2817
Summary
UBUNTU-CVE-2022-2817: Use After Free in GitHub repository vim/vim prior to 9.0.0213. Affects vim versions < 2:8.2.3995-1ubuntu2.11. Fixed in 2:8.2.3995-1ubuntu2.11. 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. The specific version affected by this vulnerability is 2:8.2.3995-1ubuntu2.11, which is part of the Ubuntu 22.04 LTS distribution. This vulnerability exposes users to potential exploitation, leading to severe consequences.
Vulnerability Detail
The vulnerability identified as CVE-2022-2817 is a Use After Free issue in the Vim text editor. This flaw allows an attacker to exploit the memory management of the application, potentially leading to arbitrary code execution. The vulnerability originates from improper handling of memory, which can be manipulated by crafted input. The ramifications include unauthorized access to sensitive data, system crashes, or even complete system compromise. The CVSS score for this vulnerability is 7.8, indicating a high severity level.
How To Fix
Minimum fixed version
2:8.2.3995-1ubuntu2.11
This is the first release that contains the fix.
sudo apt-get install --only-upgrade vimTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users can avoid using features of Vim that may trigger the vulnerability until the package is updated. However, the best course of action is to apply the patch as soon as possible.
Conclusion
CVE-2022-2817 is a significant vulnerability in the Vim text editor that poses serious security risks. Users are strongly advised to update their Vim installations to the latest patched version to mitigate these risks. Regular monitoring for vulnerabilities using tools like Vulert can help maintain software security.
See every vulnerability recorded for vim →
FAQ
CVE-2022-2817 is a Use After Free vulnerability in the Vim text editor that could allow attackers to execute arbitrary code.
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 potential impacts include unauthorized access to sensitive data, system crashes, or complete system compromise.
You can update Vim by running the command: sudo apt update && sudo apt upgrade vim in your terminal.
While a temporary workaround is to avoid using certain features of Vim, the recommended solution is to update to the patched version.
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