Critical Use After Free Vulnerability in Vim Package
Summary
ALPINE-CVE-2022-1154: Use after free in utf_ptr2char in GitHub repository vim/vim prior to 8.2.4646. Affects vim versions < 8.2.4708-r0. Fixed in 8.2.4708-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. The package is known for its versatility, supporting various programming languages and file types. However, it has been identified to have a critical vulnerability that could lead to severe security risks if not addressed promptly.
Vulnerability Detail
The vulnerability, identified as CVE-2022-1154, is a use after free issue in the utf_ptr2char function within the Vim codebase. This flaw allows an attacker to exploit memory management errors, potentially leading to arbitrary code execution or crashes. The vulnerability arises from improper handling of memory, which can be manipulated to execute malicious code, posing a significant threat to users of the affected versions.
How To Fix
Minimum fixed version
8.2.4708-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 the affected features of Vim until the package is updated. However, the most effective solution is to apply the patch as soon as possible.
Conclusion
The use after free vulnerability in the Vim package poses a significant security risk that can lead to severe consequences if not addressed. Users are strongly advised to update to the patched version to ensure their systems remain secure. Utilizing tools like Vulert can help in monitoring and managing vulnerabilities effectively.
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FAQ
CVE-2022-1154 is a critical use after free vulnerability in the Vim text editor that can lead to arbitrary code execution.
You can check your version of Vim by running 'vim --version' in your terminal. If it is below 8.2.4708-r0, it is affected.
Failure to address this vulnerability may result in unauthorized access, data breaches, or system crashes.
Yes, you can use Vulert, which monitors open-source vulnerabilities in your software using 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 needing to sign up.
References
Related vulnerabilities
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