Critical Out-of-Bounds Read Vulnerability in Vim Package
Summary
ALPINE-CVE-2022-0368: Out-of-bounds Read 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, recent vulnerabilities have raised concerns about its security, particularly the out-of-bounds read issue that can lead to potential data exposure.
Vulnerability Detail
The vulnerability identified as CVE-2022-0368 is an out-of-bounds read in the Vim package prior to version 8.2.4619-r0 for Alpine v3.12 to v3.14 and prior to version 8.2.4350-r0 for Alpine v3.16 and later. This flaw allows attackers to exploit the vulnerability, potentially leading to information disclosure or application crashes. The issue arises from improper handling of memory, which can be triggered by specially crafted input, making it critical for users to address it promptly.
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 restricting access to the Vim application or using alternative text editors until the update can be applied. Additionally, ensure that input to Vim is sanitized to mitigate potential exploitation.
Conclusion
The out-of-bounds read vulnerability in the Vim package poses significant risks to users. It is crucial to update to the latest patched versions to safeguard against potential exploits. Regular monitoring and vulnerability management practices, such as using tools like Vulert, can help maintain the security of your applications.
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FAQ
CVE-2022-0368 is a vulnerability in the Vim text editor that allows for an out-of-bounds read, potentially leading to information disclosure.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Exploiting this vulnerability can lead to unauthorized information disclosure or application crashes, impacting the integrity and availability of the system.
Yes, patches are available for various versions of the Vim package. Users should update to the specified patched versions to mitigate the risk.
The CVSS score for CVE-2022-0368 is 7.8, indicating a high severity level that requires prompt attention.
References
Related vulnerabilities
Recent vulnerabilities recorded for vim.
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