Heap Overflow Vulnerability in SQLite Package - CVE-2020-15358
Summary
ALPINE-CVE-2020-15358: In SQLite before 3.32.3, select.c mishandles query-flattener optimization, leading to a multiSelectOrderBy heap overflow because of misuse of transitive properties for constant propagation. Affects sqlite versions < 3.32.1-r1. Fixed in 3.32.1-r1. How to fix ↓
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Background
SQLite is a widely-used, self-contained, serverless SQL database engine that is known for its simplicity and efficiency. It is commonly utilized in mobile applications, embedded systems, and web browsers. The package version in question, sqlite, is part of the Alpine Linux distribution, specifically version 3.12. This package allows developers to integrate SQLite database functionalities into their applications. However, it has been identified to have a vulnerability that can lead to serious security issues.
Vulnerability Detail
In SQLite versions prior to 3.32.3, a flaw exists in the select.c file where the query-flattener optimization is mishandled. This mismanagement can result in a multiSelectOrderBy heap overflow due to the improper use of transitive properties for constant propagation. If exploited, this vulnerability could allow an attacker to execute arbitrary code, potentially compromising the integrity and confidentiality of the affected systems.
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
As a temporary measure, if updating the package is not immediately feasible, consider limiting the use of SQLite in scenarios where untrusted input could be processed. Additionally, review and sanitize all SQL queries to minimize the risk of exploitation.
Conclusion
The vulnerability identified as CVE-2020-15358 in the SQLite package poses a significant risk due to its potential for heap overflow exploitation. It is crucial for users of the affected package to update to the patched version to mitigate this risk. Utilizing tools like Vulert can help in monitoring and managing vulnerabilities effectively.
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FAQ
CVE-2020-15358 is a vulnerability in the SQLite package that can lead to a heap overflow due to mishandling of query optimization.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities. Visit Vulert Scanner to check if your application is affected without any signup.
Exploitation of this vulnerability could allow attackers to execute arbitrary code, leading to data breaches or system compromise.
Yes, the vulnerability is fixed in sqlite version 3.32.1-r1 and later. It is recommended to update to this version or higher.
The CVSS score for this vulnerability is 5.5, indicating a moderate level of risk.
References
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