Use-after-free vulnerability in SQLite SELECT query functionality
Summary
CVE-2021-20227: A flaw was found in SQLite's SELECT query functionality (src/select.c). Affects sqlite across 2 version ranges.
< 3.32.1-r1
>= ef215fbf3b581ef4e0273bb3932fa522af88fd7e, < 60405cd15cdd085745101a29112043299d439cfa
Fixed in 3.32.1-r1. How to fix ↓
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Background
SQLite is a popular open-source relational database management system that is widely used in various applications. It provides a lightweight, embedded SQL database engine with a small memory footprint. SQLite is known for its simplicity, reliability, and wide platform support. However, a vulnerability has been discovered in the SELECT query functionality of SQLite, which can lead to a use-after-free issue.
Vulnerability Detail
The use-after-free vulnerability in SQLite's SELECT query functionality allows an attacker with local access to the SQLite database to cause a denial of service or potentially execute arbitrary code. By triggering the use-after-free, an attacker can manipulate the memory layout of the SQLite process, leading to a crash or possible code execution. This vulnerability poses a moderate threat to system availability.
How To Fix
Minimum fixed version
3.32.1-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
There is no known workaround for this vulnerability. It is essential to apply the provided fix by updating the SQLite package to a patched version.
Conclusion
The use-after-free vulnerability in SQLite's SELECT query functionality can be mitigated by updating the affected SQLite package to the recommended patched versions. It is crucial to apply the fix to ensure the security and stability of the SQLite database. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for sqlite →
FAQ
SQLite is an open-source relational database management system that provides a lightweight, embedded SQL database engine.
The vulnerability can lead to a denial of service or potential code execution if exploited by an attacker with local access to the SQLite database.
To fix this vulnerability, update the affected SQLite package to the recommended patched versions.
No, there is no known workaround for this vulnerability. Updating the SQLite package is the recommended solution.
You can find more information about this vulnerability in the provided source link.
References
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