CVE-2020-15358 : Security Advisory and Response
Learn about CVE-2020-15358, a heap overflow vulnerability in SQLite before 3.32.3. Find out the impact, affected systems, exploitation details, and mitigation steps.
In SQLite before 3.32.3, a vulnerability exists due to mishandling of query-flattener optimization, leading to a heap overflow. This CVE-2020-15358 impacts the affected systems and requires immediate mitigation.
Understanding CVE-2020-15358
What is CVE-2020-15358?
SQLite before version 3.32.3 is susceptible to a heap overflow vulnerability caused by incorrect handling of query-flattener optimization.
The Impact of CVE-2020-15358
The vulnerability can be exploited to trigger a heap overflow, potentially leading to arbitrary code execution or denial of service.
Technical Details of CVE-2020-15358
Vulnerability Description
The issue arises from the misuse of transitive properties for constant propagation in the select.c module of SQLite.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by an attacker to craft a malicious query that triggers the heap overflow.
Mitigation and Prevention
Immediate Steps to Take
- Update SQLite to version 3.32.3 or later to mitigate the vulnerability.
- Monitor vendor advisories for patches and apply them promptly.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions.
- Implement secure coding practices to prevent similar vulnerabilities.
Patching and Updates
Apply patches provided by SQLite to address the vulnerability and enhance system security.