Critical Buffer Over-read Vulnerability in Vim Package
Summary
UBUNTU-CVE-2022-1629: Buffer Over-read in function find_next_quote in GitHub repository vim/vim prior to 8.2.4925. Affects vim versions < 2:7.4.052-1ubuntu3.1+esm8. Fixed in 2:7.4.052-1ubuntu3.1+esm8. 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 package is known for its versatility, supporting various programming languages and file formats. However, it has been found to contain a critical buffer over-read vulnerability that can lead to severe security risks.
Vulnerability Detail
The vulnerability, identified as CVE-2022-1629, originates from a buffer over-read in the function find_next_quote within the Vim codebase. This flaw can potentially allow attackers to crash the software, modify memory, and even execute code remotely. The vulnerability affects multiple versions of Vim prior to 8.2.4925, making it crucial for users to address this issue promptly to safeguard their systems.
How To Fix
Minimum fixed version
2:7.4.052-1ubuntu3.1+esm8
This is the first release that contains the fix.
sudo apt-get install --only-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 invoke the affected function until the package is updated. However, this is not a permanent solution and updating the package is strongly recommended.
Conclusion
The buffer over-read vulnerability in the Vim package poses significant risks to users. It is essential to update to the latest patched version to protect against potential exploits. Regular monitoring for vulnerabilities using tools like Vulert can further enhance your security posture.
See every vulnerability recorded for vim →
FAQ
CVE-2022-1629 is a critical buffer over-read vulnerability found in the Vim text editor that can lead to software crashes and potential remote code execution.
You can check if your version of Vim is affected by using the Vulert playground at Vulert Scanner, which allows you to monitor and alert for open-source vulnerabilities.
Failing to fix this vulnerability could expose your system to crashes, memory modifications, and remote code execution, leading to potential data breaches.
No, updating Vim to the patched version is free and can be done using standard package management commands on your system.
Vulert is a service that monitors open-source vulnerabilities in your software using a manifest file like package-lock.json. It alerts you in real-time about vulnerabilities, helping you maintain secure applications.
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