Critical Divide By Zero Vulnerability in Vim Package
Summary
ALPINE-CVE-2023-0512: Divide By Zero in GitHub repository vim/vim prior to 9.0.1247. Affects vim versions < 9.0.1251-r0. Fixed in 9.0.1251-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, recent vulnerabilities have raised concerns about its security, particularly a critical Divide By Zero issue that can lead to severe consequences if exploited.
Vulnerability Detail
The Divide By Zero vulnerability in Vim, identified as CVE-2023-0512, originates from improper handling of certain inputs, which can lead to a crash or arbitrary code execution. This vulnerability affects multiple versions of the Vim package across various Alpine Linux distributions. If exploited, it can compromise the integrity and availability of systems using the affected versions, making it crucial for users to address this issue promptly.
How To Fix
Minimum fixed version
9.0.1251-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 or commands in Vim that may trigger the Divide By Zero vulnerability until the package is updated. However, this is not a permanent solution and updating the package is strongly recommended.
Conclusion
The Divide By Zero vulnerability in the Vim package poses a significant risk to users of affected versions. It is essential to update to the patched version 9.0.1251-r0 to mitigate potential threats. Utilizing tools like Vulert can help monitor and manage vulnerabilities effectively.
See every vulnerability recorded for vim →
FAQ
The CVSS score of the Divide By Zero vulnerability in Vim is 7.8, indicating a high severity level.
The vulnerability affects Vim versions prior to 9.0.1251-r0 across Alpine Linux distributions v3.18 to v3.22.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.
Exploitation of this vulnerability can lead to crashes or arbitrary code execution, compromising system integrity and availability.
While the best course of action is to update, users can temporarily avoid using specific Vim features that may trigger the vulnerability.
References
Related vulnerabilities
Recent vulnerabilities recorded for vim.
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