CVE-2020-11656

HIGH

Description

In SQLite through 3.31.1, the ALTER TABLE implementation has a use-after-free, as demonstrated by an ORDER BY clause that belongs to a compound SELECT statement.

References

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:22.sqlite.asc

https://security.gentoo.org/glsa/202007-26

https://security.netapp.com/advisory/ntap-20200416-0001/

https://www.oracle.com/security-alerts/cpujul2020.html

https://www.sqlite.org/src/info/d09f8c3621d5f7f8

https://www3.sqlite.org/cgi/src/info/b64674919f673602

Details

Source: MITRE

Published: 2020-04-09

Updated: 2020-08-05

Type: CWE-416

Risk Information

CVSS v2.0

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3.0

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL