Use After Free Vulnerability in vim/vim
Summary
CVE-2022-4292: Use After Free in GitHub repository vim/vim prior to 9.0.0882. Affects vim versions < 9.0.0999-r0. Fixed in 9.0.0999-r0. How to fix ↓
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Background
vim is a highly configurable text editor built for efficiently creating and editing any kind of text. It is widely used by developers and system administrators for various tasks. The vulnerability identified as CVE-2022-4292 affects versions of vim prior to 9.0.0882 in the Alpine Linux v3.18 ecosystem.
Vulnerability Detail
The vulnerability CVE-2022-4292 is classified as a Use After Free vulnerability. This type of vulnerability occurs when a program continues to use a memory area after it has been freed, leading to potential memory corruption and exploitation. In the case of vim, this vulnerability can be triggered under certain conditions, allowing an attacker to execute arbitrary code, escalate privileges, or cause a denial of service.
How To Fix
Minimum fixed version
9.0.0999-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 workaround, users can consider avoiding the use of vulnerable versions of vim or limiting its exposure to untrusted inputs. Additionally, it is advisable to regularly update the software and keep track of security advisories to stay informed about any new patches or fixes.
Conclusion
The use after free vulnerability in vim can pose significant risks to systems running vulnerable versions. It is crucial to promptly update the vim package to the recommended version or apply the provided patches to mitigate the vulnerability. For further assistance or support in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for vim →
FAQ
A Use After Free vulnerability occurs when a program continues to use a memory area after it has been freed. This can lead to memory corruption and potential exploitation.
The use after free vulnerability in vim can allow an attacker to execute arbitrary code, escalate privileges, or cause a denial of service.
Versions of vim prior to 9.0.0882 in the Alpine Linux v3.18 ecosystem are affected by this vulnerability.
To fix this vulnerability, update the vim package to version 9.0.0999-r0 or later. This update includes the necessary patches and fixes.
As a workaround, consider avoiding the use of vulnerable versions of vim or limiting its exposure to untrusted inputs. Regularly updating the software is also recommended.
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