Bug 1783305 (CVE-2019-19645)

Summary:	CVE-2019-19645 sqlite: infinite recursion via certain types of self-referential views in conjunction with ALTER TABLE statements
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	databases-maint, drizt72, erik-fedora, fedora, itamar, mschorm, odubaj, pkubat, praiskup, rh-spice-bugs, rjones, wilmer5
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-10-25 22:13:56 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Bug Depends On:	1783306, 1783307, 1783309, 1787525, 1787526
Bug Blocks:	1783308

Description Guilherme de Almeida Suckevicz 2019-12-13 14:48:35 UTC

alter.c in SQLite through 3.30.1 allows attackers to trigger infinite recursion via certain types of self-referential views in conjunction with ALTER TABLE statements.

Reference and upstream commit:
https://github.com/sqlite/sqlite/commit/38096961c7cd109110ac21d3ed7dad7e0cb0ae06

Comment 1 Guilherme de Almeida Suckevicz 2019-12-13 14:48:57 UTC

Created mingw-sqlite tracking bugs for this issue:

Affects: epel-7 [bug 1783307]
Affects: fedora-all [bug 1783309]


Created sqlite tracking bugs for this issue:

Affects: fedora-all [bug 1783306]

Comment 3 Huzaifa S. Sidhpurwala 2020-01-03 09:24:38 UTC

Basically DoS due to infinite recursion and stack exhaustion.