Critical Divide By Zero Vulnerability in Vim Package
Summary
ALPINE-CVE-2023-1127: Divide By Zero in GitHub repository vim/vim prior to 9.0.1367. Affects vim versions < 9.0.1395-r0. Fixed in 9.0.1395-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 Vim package in Alpine Linux is essential for users who rely on command-line interfaces for coding and scripting. However, recent vulnerabilities have raised concerns about its security, particularly a Divide By Zero issue that can lead to severe consequences if exploited.
Vulnerability Detail
The Divide By Zero vulnerability in Vim, identified as CVE-2023-1127, originates from improper handling of certain input values, which can lead to a crash or arbitrary code execution. This vulnerability affects versions prior to 9.0.1367 and poses a significant risk to users, as it can be exploited to compromise system integrity and confidentiality. The severity of this vulnerability is highlighted by its CVSS score of 7.8, indicating a high level of risk.
How To Fix
Minimum fixed version
9.0.1395-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 specific 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
The Divide By Zero vulnerability in the Vim package poses a significant risk to users of Alpine Linux. It is crucial to update to the patched version to ensure system security. Users can also utilize tools like Vulert to monitor for vulnerabilities in their applications without needing to install additional software.
See every vulnerability recorded for vim →
FAQ
CVE-2023-1127 is a Divide By Zero vulnerability found in the Vim text editor, which can lead to crashes or arbitrary code execution.
You can check if your Vim installation is affected by using the Vulert playground at Vulert Scanner, which allows you to monitor vulnerabilities without requiring installation.
The risks include potential system crashes and the possibility of arbitrary code execution, which can compromise system security.
Yes, a patch is available in version 9.0.1395-r0 and later. Users should update their Vim package to this version to mitigate the vulnerability.
If you cannot update Vim immediately, avoid using features that may trigger the vulnerability and monitor for updates regularly.
References
Related vulnerabilities
Recent vulnerabilities recorded for vim.
