Critical Vulnerability in vim Package: Use of Uninitialized Variable
Summary
ALPINE-CVE-2021-3928: vim is vulnerable to Use of Uninitialized Variable. Affects vim versions < 8.2.3650-r0. Fixed in 8.2.3650-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, it has been identified to have a vulnerability that could potentially compromise system security.
Vulnerability Detail
The vulnerability, identified as CVE-2021-3928, arises from the use of an uninitialized variable within the vim package. This flaw can lead to unpredictable behavior, including potential information disclosure or system crashes. The vulnerability affects multiple versions of vim across various Alpine Linux releases, making it critical for users to address it promptly.
How To Fix
Minimum fixed version
8.2.3650-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
If immediate updating is not feasible, consider limiting access to the vim editor or using alternative text editors until the vulnerability is patched.
Conclusion
The vim package has a critical vulnerability that requires immediate attention. Users are advised to update to the patched version to mitigate risks associated with the use of an uninitialized variable. Regular monitoring and updates are essential to maintain system security.
See every vulnerability recorded for vim →
FAQ
CVE-2021-3928 is a vulnerability in the vim package that involves the use of an uninitialized variable, potentially leading to security risks.
You can check if your installation is affected by using the Vulert playground at Vulert Scanner, which allows you to monitor vulnerabilities without needing to install any software.
Failing to address this vulnerability may expose your system to security risks, including data leaks or crashes.
Yes, you can limit access to the vim editor or switch to alternative text editors as a temporary measure.
The CVSS score for CVE-2021-3928 is 7.8, indicating a high level of severity.
References
Related vulnerabilities
Recent vulnerabilities recorded for vim.
