#VU23791 Infinite loop in SQLite - CVE-2019-19645
Published: December 23, 2019 / Updated: January 22, 2020
Vulnerability identifier: #VU23791
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-19645
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
SQLite
SQLite
Software vendor:
SQLite
SQLite
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop in alter.c that can be triggered via certain types of self-referential views in conjunction with ALTER TABLE statements. A remote attacker can consume all available system resources and cause denial of service conditions.
Remediation
Install updates from vendor's website.