Out-of-bounds Read Vulnerability in Vim Package
Summary
ALPINE-CVE-2021-4193: vim is vulnerable to Out-of-bounds Read. 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 configurable text editor built to enable efficient text editing. It is widely used by developers and system administrators for its powerful features, including syntax highlighting, multi-level undo, and extensive plugin support. However, like any software, it is not immune to vulnerabilities. The specific issue at hand is an out-of-bounds read vulnerability that can potentially expose sensitive information or lead to unexpected behavior.
Vulnerability Detail
The vulnerability identified as ALPINE-CVE-2021-4193 in the Vim package allows for an out-of-bounds read. This occurs when the software attempts to read data outside the allocated memory buffer, which can lead to information disclosure or application crashes. The vulnerability originates from improper handling of certain input data, making it a critical issue for users who rely on Vim for secure text editing. The CVSS score for this vulnerability is 5.5, indicating a moderate 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
As a temporary workaround, users can avoid using features that may trigger the out-of-bounds read until the package is updated. However, it is strongly recommended to apply the patch as soon as possible to mitigate any risks.
Conclusion
The out-of-bounds read vulnerability in the Vim package poses a moderate risk to users, with the potential for information leakage or application instability. It is crucial to update to the patched version 8.2.4173-r0 to mitigate these risks. Users are encouraged to utilize tools like Vulert to monitor their applications for vulnerabilities effectively.
See every vulnerability recorded for vim →
FAQ
An out-of-bounds read vulnerability occurs when a program reads data outside the allocated memory buffer, which can lead to information leakage or crashes.
You can check your version of Vim by running 'vim --version' in your terminal. If it is below 8.2.4173-r0, it is vulnerable.
If you cannot update Vim immediately, avoid using features that may trigger the vulnerability and monitor for updates.
More information can be found in the CVE database or by visiting the official Vim documentation and security advisories.
Vulert uses a manifest file like package-lock.json to monitor and alert in real-time for open-source vulnerabilities in your software, ensuring you stay informed about potential risks.
References
Related vulnerabilities
Recent vulnerabilities recorded for vim.
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