Multiple vulnerabilities in SQLite

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

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2019-19242 CVE-2019-19244
CWE-ID	CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	SQLite Server applications / Database software
Vendor	SQLite

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

Updated: 29.01.2020

Changed bulletin status to patched.

1) Input validation error

EUVDB-ID: #VU23189

Risk: Medium

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2019-19242

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation within the sqlite3ExprCodeTarget(0 function in expr.c when processing the TK_COLUMN case. A remote attacker can pass specially crafted data to the application and perform a denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

SQLite: 3.26.0 - 3.30.1

External links

http://github.com/sqlite/sqlite/commit/57f7ece78410a8aae86aa4625fb7556897db384c

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

2) Input validation error

EUVDB-ID: #VU23190

Risk: Low

CVSSv3.1: 5.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2019-19244