Vulnerability identifier: #VU27024

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-11656

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SQLite
Server applications / Database software

Vendor: SQLite

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the ALTER TABLE implementation. A remote attacker can execute arbitrary code on the target system, as demonstrated by an ORDER BY clause that belongs to a compound SELECT statement.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

SQLite: 3.8.0 - 3.31.1

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External links
http://security.netapp.com/advisory/ntap-20200416-0001/
http://www.sqlite.org/src/info/d09f8c3621d5f7f8
http://www3.sqlite.org/cgi/src/info/b64674919f673602

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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.