Heap-based Buffer Overflow in Vim Package - CVE-2023-4751
Summary
DEBIAN-CVE-2023-4751: Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1331. Affects vim versions < 2:9.0.1894-1. Fixed in 2:9.0.1894-1. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
Background
Vim is a highly configurable text editor built to enable efficient text editing. It is widely used by developers and system administrators due to its powerful features and extensibility. However, like any software, it can be susceptible to vulnerabilities that may compromise its integrity and security. The specific vulnerability identified as CVE-2023-4751 affects versions of Vim prior to 9.0.1331, exposing users to potential buffer overflow attacks.
Vulnerability Detail
The vulnerability is a heap-based buffer overflow that occurs in Vim prior to version 9.0.1331. This flaw allows an attacker to exploit the memory management of the application, potentially leading to arbitrary code execution or crashes. The vulnerability arises from improper handling of memory allocation, which can be manipulated by crafted input. If exploited, this could allow an attacker to gain unauthorized access to the system or execute malicious code.
How To Fix
Minimum fixed version
2:9.0.1894-1
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 of Vim that may trigger the vulnerability until the package is updated. Additionally, running Vim in a restricted environment or using alternative text editors may help mitigate the risk until a fix is applied.
Conclusion
CVE-2023-4751 represents a significant vulnerability in the Vim text editor that can lead to serious security risks if not addressed. Users are strongly encouraged to update their installations to the latest patched version to ensure their systems remain secure. Utilizing tools like Vulert can further enhance your ability to monitor and manage vulnerabilities in your software.
See every vulnerability recorded for vim →
FAQ
CVE-2023-4751 is a vulnerability in the Vim text editor that allows for heap-based buffer overflow, potentially leading to arbitrary code execution.
You can check your Vim version by running 'vim --version' in the terminal. If your version is below 2:9.0.1894-1, it is affected.
Yes, a patched version of Vim is available. Users should update to at least version 2:9.0.1894-1 to fix the vulnerability.
Failing to address this vulnerability may expose your system to attacks that could lead to unauthorized access, data loss, or system crashes.
Vulert allows you to monitor and alert for open-source vulnerabilities in your software using just a manifest file like package-lock.json. You can check if your application is affected without any signup at the Vulert playground.
References
Related vulnerabilities
Recent vulnerabilities recorded for vim.
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
