Heap-based Buffer Overflow in Vim Package - CVE-2022-0407
Summary
ALPINE-CVE-2022-0407: Heap-based Buffer Overflow in GitHub repository vim/vim prior to 8.2. 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 its powerful features and extensibility. However, like many software packages, it is susceptible to vulnerabilities that can compromise its security and functionality. This specific vulnerability, identified as CVE-2022-0407, affects multiple versions of the Vim package across various Alpine Linux distributions.
Vulnerability Detail
The vulnerability is a heap-based buffer overflow that occurs in Vim prior to version 8.2.4619-r0 for Alpine v3.12 to v3.15, and prior to version 8.2.4350-r0 for Alpine v3.16 to v3.22. This flaw can be exploited by an attacker to execute arbitrary code, potentially leading to unauthorized access or control over the affected system. The CVSS score for this vulnerability is 7.8, indicating a high severity level, which necessitates immediate attention.
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
If immediate patching is not feasible, consider disabling any features or plugins in Vim that may expose the vulnerability until an update can be applied. Additionally, running Vim in a restricted environment can help mitigate potential risks.
Conclusion
CVE-2022-0407 represents a significant security risk for users of the Vim text editor across various Alpine Linux distributions. It is crucial to update to the patched versions to mitigate the risk of exploitation. Users should also consider workarounds if immediate updates are not possible.
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FAQ
CVE-2022-0407 is a heap-based buffer overflow vulnerability found in the Vim text editor, which can lead to arbitrary code execution.
Versions of Vim prior to 8.2.4619-r0 for Alpine v3.12 to v3.15 and prior to 8.2.4350-r0 for Alpine v3.16 to v3.22 are affected.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
If you cannot update Vim right away, consider disabling features that may expose the vulnerability and running Vim in a restricted environment.
The CVSS score for CVE-2022-0407 is 7.8, indicating a high severity level.
References
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