#VU23190 Input validation error in SQLite


Published: 2019-12-02 | Updated: 2020-01-29

Vulnerability identifier: #VU23190

Vulnerability risk: Low

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-19244

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 user-supplied input when a sub-select uses both DISTINCT and window functions, and also has certain ORDER BY usage in select.c . A remote attacker can crash the affected application using a specially crafted SQL query.

Mitigation
Install update from vendor's website.

Vulnerable software versions

SQLite: 3.8.11 - 3.30.1


External links
http://github.com/sqlite/sqlite/commit/e59c562b3f6894f84c715772c4b116d7b5c01348


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.


Latest bulletins with this vulnerability