#VU23794 Untrusted Pointer Dereference in SQLite - CVE-2019-19880

Vulnerability identifier: #VU23794

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-19880

CWE-ID: CWE-822

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SQLite
Server applications / Database software

Vendor: SQLite

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to invalid pointer dereference in exprListAppendList() function in window.c when processing constant integer values in ORDER BY clauses. A remote attacker with ability to interact with a query can execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SQLite: 3.25.0 - 3.30.1

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External links
https://github.com/sqlite/sqlite/commit/75e95e1fcd52d3ec8282edb75ac8cd0814095d54

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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