Heap-based Buffer Overflow in vim/vim
Summary
CVE-2022-0714: Heap-based Buffer Overflow in GitHub repository vim/vim prior to 8.2.4436. Affects vim versions < 8.2.4619-r0. Fixed in 8.2.4619-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 various programming tasks. The vulnerability in question is a heap-based buffer overflow that affects versions of vim prior to 8.2.4436. This vulnerability can be exploited by an attacker to execute arbitrary code or cause a denial of service.
Vulnerability Detail
The heap-based buffer overflow vulnerability in vim/vim arises from a flaw in the processing of certain input data. By providing specially crafted input, an attacker can trigger the overflow, potentially leading to the execution of arbitrary code or a crash of the application. The vulnerability has a CVSS score of 5.5, indicating a moderate severity level. It is important to note that this vulnerability has been fixed in version 8.2.4436 of vim.
How To Fix
Minimum fixed version
8.2.4619-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 restricting the usage of vim to trusted files and avoiding the processing of untrusted input. Additionally, implementing proper input validation and sanitization can help mitigate the risk of exploitation.
Conclusion
The heap-based buffer overflow vulnerability in vim/vim prior to version 8.2.4436 can be exploited by an attacker to execute arbitrary code or cause a denial of service. It is crucial to update vim to the fixed version or apply the provided workaround to mitigate the risk. For further support on vulnerability remediation, contact DevNack.com.
See every vulnerability recorded for vim →
FAQ
The vulnerability can allow an attacker to execute arbitrary code or cause a denial of service.
Versions of vim prior to 8.2.4436 are affected by this vulnerability.
Yes, this vulnerability has been fixed in version 8.2.4436 of vim.
To update vim to the fixed version, follow the official update instructions provided by the vim project.
As a workaround, users can restrict the usage of vim to trusted files and implement proper input validation and sanitization.
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