CVE-2021-45346 Explained : Impact and Mitigation

A Memory Leak vulnerability exists in SQLite Project SQLite3 3.35.1 and 3.37.0 via maliciously crafted SQL Queries, potentially leaking sensitive information.

Understanding CVE-2021-45346

This CVE involves a Memory Leak vulnerability in SQLite3 that could allow a malicious user to obtain sensitive information.

What is CVE-2021-45346?

The vulnerability allows leaking memory beyond the intended record by executing malicious SQL queries on SQLite database files.

The Impact of CVE-2021-45346

A malicious user can query a record and access memory bytes beyond, potentially extracting sensitive data.
The developer disputes this as a vulnerability, claiming it reads unintended parts of a corrupted database.

Technical Details of CVE-2021-45346

SQLite Project SQLite3 3.35.1 and 3.37.0 are affected by this vulnerability.

Vulnerability Description

SQLite allows leaking memory beyond a record, granting unauthorized access to additional sensitive information.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions: 3.35.1 and 3.37.0 (affected)

Exploitation Mechanism

Malicious actors can exploit this issue by manipulating SQL queries on SQLite database files.

Mitigation and Prevention

Immediate Steps to Take:

Regularly monitor and update SQLite installations.
Implement strict access controls to limit exposure to SQLite databases.

Long-Term Security Practices:

Conduct regular security assessments and vulnerability scans.
Educate users on secure SQL query practices.

Patching and Updates:

Stay informed about security patches and updates released by SQLite Project.