Critical Use After Free Vulnerability in SQLite Package
Summary
ALPINE-CVE-2019-5018: An exploitable use after free vulnerability exists in the window function functionality of Sqlite3 3.26.0. Affects sqlite versions < 3.28.0-r0. Fixed in 3.28.0-r0. How to fix ↓
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Background
SQLite is a widely-used, lightweight, serverless SQL database engine that is embedded in applications. It is known for its simplicity, reliability, and cross-platform compatibility. However, certain versions of SQLite are vulnerable to a use after free vulnerability, which can lead to severe security risks, including remote code execution.
Vulnerability Detail
An exploitable use after free vulnerability exists in the window function functionality of SQLite 3.26.0. This vulnerability arises from improper memory management, allowing attackers to craft a malicious SQL command that can exploit the flaw. If successfully executed, this could lead to remote code execution, compromising the integrity and confidentiality of the affected system.
How To Fix
Minimum fixed version
3.28.0-r0
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 measure, avoid using window functions in SQLite until the package is updated to the patched version. This can help mitigate the risk of exploitation while you prepare for the update.
Conclusion
The use after free vulnerability in SQLite poses significant risks to applications utilizing affected versions. It is crucial to update to the patched version to safeguard against potential exploitation. Implementing the suggested updates and workarounds will help maintain the security of your systems.
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FAQ
The CVSS score of this vulnerability is 8.1, indicating a high severity level.
SQLite versions prior to 3.28.0-r0 are affected by this vulnerability.
Yes, an attacker can exploit this vulnerability remotely by sending a specially crafted SQL command.
The potential consequences include remote code execution, which can lead to unauthorized access and control over the affected system.
You can use Vulert to monitor and alert in real-time for open-source vulnerabilities in your software. It requires only a manifest file like package-lock.json to function.
References
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