CVE-2019-19880 : What You Need to Know

SQLite version 3.30.1 is affected by a vulnerability in the "exprListAppendList" function, allowing attackers to trigger an invalid pointer dereference. This CVE was published on December 18, 2019, by MITRE.

Understanding CVE-2019-19880

This CVE affects SQLite version 3.30.1 due to mishandling of constant integer values in ORDER BY clauses of window definitions.

What is CVE-2019-19880?

CVE-2019-19880 is a vulnerability in SQLite version 3.30.1 that enables attackers to exploit the "exprListAppendList" function, leading to an invalid pointer dereference.

The Impact of CVE-2019-19880

The vulnerability allows attackers to cause an invalid pointer dereference in SQLite version 3.30.1, potentially leading to a denial of service or arbitrary code execution.

Technical Details of CVE-2019-19880

SQLite version 3.30.1 is susceptible to exploitation due to mishandling of constant integer values in ORDER BY clauses of window definitions.

Vulnerability Description

The vulnerability in the "exprListAppendList" function of SQLite version 3.30.1 allows attackers to trigger an invalid pointer dereference by exploiting constant integer values in ORDER BY clauses of window definitions.

Affected Systems and Versions

Product: SQLite
Vendor: N/A
Version: 3.30.1

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating constant integer values in the ORDER BY clauses of window definitions in SQLite version 3.30.1.

Mitigation and Prevention

To address CVE-2019-19880, follow these mitigation strategies:

Immediate Steps to Take

Update SQLite to a patched version that addresses the vulnerability.
Monitor security advisories for any updates related to this CVE.

Long-Term Security Practices

Regularly update software and libraries to the latest secure versions.
Implement secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Ensure timely patching of SQLite to the latest version that includes fixes for CVE-2019-19880.