Critical Integer Overflow Vulnerability in SQLite Package
Summary
ALPINE-CVE-2025-3277: An integer overflow can be triggered in SQLite’s concat_ws() function. Affects sqlite versions < 3.48.0-r1. Fixed in 3.48.0-r1. How to fix ↓
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Background
SQLite is a widely-used, lightweight, and self-contained SQL database engine. It is known for its simplicity and efficiency, making it a popular choice for applications requiring a relational database. However, it is susceptible to various vulnerabilities, including the recent integer overflow issue in its concat_ws() function, which can lead to severe security risks.
Vulnerability Detail
The vulnerability arises from an integer overflow that can be triggered in SQLite's concat_ws() function. This overflow results in a truncated integer used for buffer allocation. Consequently, when SQLite writes the resulting string to the buffer, it utilizes the original, untruncated size, leading to a wild Heap Buffer overflow of approximately 4GB. This flaw can potentially allow attackers to execute arbitrary code, posing significant risks to system integrity and data security.
How To Fix
Minimum fixed version
3.48.0-r1
This is the first release that contains the fix.
sudo apk add --upgrade sqliteTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users can avoid using the concat_ws() function until the package is updated. This will help mitigate the risk of triggering the vulnerability until a proper fix is applied.
Conclusion
The integer overflow vulnerability in SQLite's concat_ws() function poses a critical risk, allowing for potential arbitrary code execution. Users are strongly advised to update to the patched version 3.48.0-r1 to safeguard their systems. Additionally, utilizing tools like Vulert can help in monitoring and managing vulnerabilities effectively.
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FAQ
The CVSS score of this vulnerability is 9.8, indicating a critical level of severity.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
Exploitation of this vulnerability can lead to arbitrary code execution, which may compromise system integrity and expose sensitive data.
Yes, Vulert can monitor and alert you in real-time for open-source vulnerabilities in your software using just a manifest file like package-lock.json.
If immediate updates are not possible, refrain from using the concat_ws() function as a temporary workaround to mitigate risks.
References
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