CVE-2019-19959 : Exploit Details and Defense Strategies
Learn about CVE-2019-19959, a vulnerability in SQLite 3.30.1 that mishandles filenames with '\0' characters, leading to memory-management errors. Find out how to mitigate and prevent this issue.
SQLite 3.30.1 has a mishandling issue in the ext/misc/zipfile.c file when using INSERT INTO with filenames containing embedded '\0' characters. This can result in a memory-management error that can be detected by tools like valgrind.
Understanding CVE-2019-19959
SQLite 3.30.1 vulnerability with mishandling INSERT INTO filenames containing '\0' characters.
What is CVE-2019-19959?
ext/misc/zipfile.c in SQLite 3.30.1 mishandles certain uses of INSERT INTO with filenames containing '\0' characters, leading to a memory-management error.
The Impact of CVE-2019-19959
The vulnerability can result in a memory-management error that can be detected by tools like valgrind.
Technical Details of CVE-2019-19959
SQLite 3.30.1 vulnerability technical details.
Vulnerability Description
SQLite 3.30.1 mishandles INSERT INTO with filenames containing '\0' characters, leading to memory-management errors.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Version: n/a
Exploitation Mechanism
The issue arises when using INSERT INTO with filenames containing embedded '\0' characters.
Mitigation and Prevention
Steps to mitigate and prevent CVE-2019-19959.
Immediate Steps to Take
- Apply patches provided by the vendor.
- Monitor security advisories for updates.
Long-Term Security Practices
- Regularly update SQLite to the latest version.
- Implement input validation to prevent malicious filenames.
Patching and Updates
- Update SQLite to version 3.31.1 or later to address the vulnerability.