CVE-2020-11656 Information

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.

CVSS Vector

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

Reference

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.oracle.com/security-alerts/cpuoct2020.html https://www.sqlite.org/src/info/d09f8c3621d5f7f8 https://www3.sqlite.org/cgi/src/info/b64674919f673602

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8