Heap-based Buffer Overflow in Vim Package - CVE-2023-0288
Summary
ALPINE-CVE-2023-0288: Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1189. Affects vim versions < 9.0.1198-r0. Fixed in 9.0.1198-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 many software packages, it can be vulnerable to security issues. The vulnerability CVE-2023-0288 affects multiple versions of Vim in Alpine Linux, specifically versions prior to 9.0.1189, exposing users to potential exploitation.
Vulnerability Detail
The vulnerability identified as CVE-2023-0288 is a heap-based buffer overflow that occurs in the Vim text editor. This flaw allows an attacker to exploit the buffer overflow, potentially leading to arbitrary code execution, data corruption, or crashes. The issue arises from improper handling of memory allocation, which can be triggered by specially crafted input. The severity of this vulnerability is rated with a CVSS score of 7.8, indicating a high risk to affected systems.
How To Fix
Minimum fixed version
9.0.1198-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 of Vim that may trigger the buffer overflow until the package is updated. It is advisable to limit the processing of untrusted input files.
Conclusion
The CVE-2023-0288 vulnerability in the Vim package poses a significant risk due to its potential for exploitation through heap-based buffer overflow. Users are strongly advised to update to the latest patched version to mitigate this risk. Utilizing tools like Vulert can further enhance security by monitoring for vulnerabilities in real-time.
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FAQ
CVE-2023-0288 is a security vulnerability in the Vim text editor that allows for a heap-based buffer overflow, potentially leading to arbitrary code execution.
Versions of Vim prior to 9.0.1189 are affected by this vulnerability.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
If an immediate update is not possible, avoid using features that may trigger the vulnerability and limit processing of untrusted input files.
Vulert is a tool that monitors and alerts for open-source vulnerabilities in software using just a manifest file like package-lock.json. It helps developers maintain secure applications.
References
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