CVE-2019-19645 : What You Need to Know

SQLite through version 3.30.1 is vulnerable to an exploit in the "alter.c" module that can lead to infinite recursion. Attackers can trigger this vulnerability using specific self-referential views and ALTER TABLE statements.

Understanding CVE-2019-19645

SQLite vulnerability allowing infinite recursion through self-referential views.

What is CVE-2019-19645?

SQLite's alter.c module in versions up to 3.30.1 can be exploited to cause infinite recursion by utilizing certain self-referential views and ALTER TABLE statements.

The Impact of CVE-2019-19645

Attackers can exploit the vulnerability to trigger infinite recursion in SQLite.
This could potentially lead to denial of service (DoS) attacks or other malicious activities.

Technical Details of CVE-2019-19645

SQLite vulnerability details and affected systems.

Vulnerability Description

The vulnerability exists in the alter.c module of SQLite.
It allows attackers to induce infinite recursion through specific self-referential views and ALTER TABLE statements.

Affected Systems and Versions

SQLite versions up to 3.30.1 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit the vulnerability by using self-referential views along with ALTER TABLE statements to trigger infinite recursion in SQLite.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2019-19645.

Immediate Steps to Take

Update SQLite to version 3.30.1 or later to patch the vulnerability.
Monitor for any unusual recursive behavior in SQLite queries.

Long-Term Security Practices

Regularly update SQLite and other software components to the latest versions.
Implement proper input validation and security checks in SQLite queries.
Conduct security audits and assessments to identify and address vulnerabilities.

Patching and Updates

Apply patches and updates provided by SQLite to address the vulnerability and enhance security.