CVE-2019-5018 Use after free in Sqlite3

What is CVE-2019-5018?

CVE-2019-5018 is a high-severity use after free vulnerability in Canonical Ubuntu Linux, published on 10 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An exploitable use after free vulnerability exists in the window function functionality of Sqlite3 3.26.0. A specially crafted SQL command can cause a use after free vulnerability, potentially resulting in remote code execution. An attacker can send a malicious SQL command to trigger this vulnerability.

Weakness: CWE-416

Which versions are affected by CVE-2019-5018?

It affects 2 products.

Products include Canonical Ubuntu Linux, Sqlite Sqlite.

How do I fix CVE-2019-5018?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2019-5018 being exploited?

There is no known exploitation of CVE-2019-5018 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2019-5018, CLEANSTART-2026-ZK88220, DEBIAN-CVE-2019-5018, GHSA-qgrg-5hv8-3w32.