#VU23792 Input validation error in SQLite - CVE-2019-19646

Vulnerability identifier: #VU23792

Vulnerability risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-19646

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SQLite
Server applications / Database software

Vendor: SQLite

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of NOT NULL in an integrity_check PRAGMA command in pragma.c when generating certain columns. A remote attacker can perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SQLite: 3.8.6 - 3.30.1

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External links
https://github.com/sqlite/sqlite/commit/926f796e8feec15f3836aa0a060ed906f8ae04d3
https://github.com/sqlite/sqlite/commit/ebd70eedd5d6e6a890a670b5ee874a5eae86b4dd

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.