Integer Overflow Vulnerability in Vim Package - CVE-2023-4734
Summary
ALPINE-CVE-2023-4734: Integer Overflow or Wraparound in GitHub repository vim/vim prior to 9.0.1846. Affects vim versions < 9.0.2073-r0. Fixed in 9.0.2073-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, like any software, it can be susceptible to vulnerabilities that may compromise its functionality and security. The vulnerability identified as CVE-2023-4734 affects multiple versions of the Vim package in Alpine Linux, highlighting the importance of maintaining up-to-date software to mitigate risks.
Vulnerability Detail
The vulnerability, classified as an Integer Overflow or Wraparound, originates from a flaw in the Vim codebase prior to version 9.0.1846. This issue can lead to unexpected behavior, potentially allowing an attacker to execute arbitrary code or crash the application. The severity of this vulnerability is underscored by its CVSS score of 7.8, indicating a high level of risk to users who have not updated to the patched versions.
How To Fix
Minimum fixed version
9.0.2073-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 may consider disabling certain features of Vim that could be exploited until they can apply the necessary updates. However, the best course of action is to update to the patched version as soon as possible.
Conclusion
The CVE-2023-4734 vulnerability in the Vim package poses a significant risk to users of Alpine Linux. It is crucial to update to the patched versions to ensure the security and integrity of your systems. Regular monitoring and updates are essential practices for maintaining software security.
See every vulnerability recorded for vim →
FAQ
CVE-2023-4734 is a vulnerability in the Vim text editor that allows for integer overflow, potentially leading to arbitrary code execution.
You can check if your installation is affected by using tools like Vulert, which monitors open-source vulnerabilities in your software.
Failing to update Vim can expose your system to security risks, including potential code execution by malicious actors.
While the best solution is to update, you may temporarily disable certain features of Vim to reduce exposure until an update can be applied.
Detailed information about CVE-2023-4734 can be found on security databases and the official Vim repository.
References
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