Use After Free Vulnerability in vim
Summary
CVE-2021-4069: vim is vulnerable to Use After Free. Affects vim versions < 8.2.4173-r0. Fixed in 8.2.4173-r0. 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
Background
vim is a popular text editor that is widely used for editing files in Unix-like operating systems. It provides a wide range of features and functionalities, making it a preferred choice for many developers and system administrators. However, the vim package is vulnerable to a Use After Free vulnerability, which can lead to potential security risks.
Vulnerability Detail
The Use After Free vulnerability in vim occurs when the program continues to reference memory after it has been freed. This can result in the execution of arbitrary code or the manipulation of data, potentially leading to a compromise of the system. Attackers can exploit this vulnerability by crafting malicious files or by tricking users into opening specially crafted files. The impact of this vulnerability can be severe, allowing attackers to gain unauthorized access, execute arbitrary commands, or cause denial of service.
How To Fix
Minimum fixed version
8.2.4173-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
There is no known workaround for this vulnerability at the moment. It is highly recommended to apply the official fix provided by the vim package maintainers.
Conclusion
The Use After Free vulnerability in vim can pose significant security risks, potentially leading to unauthorized access or the execution of arbitrary code. It is crucial to update the vim package to the latest version to mitigate these risks. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for vim →
FAQ
A Use After Free vulnerability occurs when a program continues to reference memory after it has been freed. This can lead to the execution of arbitrary code or the manipulation of data.
Attackers can exploit this vulnerability by crafting malicious files or by tricking users into opening specially crafted files.
The potential consequences of this vulnerability include unauthorized access, execution of arbitrary commands, and denial of service.
To fix this vulnerability, update the vim package to version 8.2.4173-r0 or later.
There is no known workaround for this vulnerability. It is recommended to apply the official fix provided by the vim package maintainers.
Related vulnerabilities
Recent vulnerabilities recorded for vim.
