CVE-2019-19244 : Exploit Details and Defense Strategies
Learn about CVE-2019-19244, a vulnerability in SQLite 3.30.1 that can lead to crashes under specific conditions. Find out how to mitigate the risk and prevent service disruptions.
SQLite 3.30.1 version contains a vulnerability in the sqlite3Select function that can lead to a crash under specific conditions involving sub-select statements.
Understanding CVE-2019-19244
This CVE entry describes a vulnerability in SQLite 3.30.1 that can result in a crash when certain conditions are met in the sqlite3Select function.
What is CVE-2019-19244?
SQLite 3.30.1's sqlite3Select function in select.c is susceptible to crashing when a sub-select statement combines DISTINCT and window functions along with specific ORDER BY clauses.
The Impact of CVE-2019-19244
The vulnerability in SQLite 3.30.1 can lead to a crash, potentially causing service disruptions or denial of service.
Technical Details of CVE-2019-19244
SQLite 3.30.1's vulnerability is detailed below:
Vulnerability Description
The issue arises in the sqlite3Select function when a sub-select statement uses DISTINCT and window functions in conjunction with certain ORDER BY clauses.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by crafting a sub-select statement that meets the specific conditions mentioned above.
Mitigation and Prevention
To address CVE-2019-19244, consider the following steps:
Immediate Steps to Take
- Monitor vendor advisories for patches or updates
- Implement strict input validation to prevent malicious queries
Long-Term Security Practices
- Regularly update SQLite to the latest version
- Conduct security audits to identify and address potential vulnerabilities
Patching and Updates
- Apply patches or updates provided by SQLite to mitigate the vulnerability