Bug 1870290 (CVE-2020-24370)

Summary:	CVE-2020-24370 lua: segmentation fault in getlocal and setlocal functions in ldebug.c
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:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	drjohnson1, fedora, hdegoede, michel, moceap, packaging-team-maint, rob.myers, scorneli, spotrh
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:	2021-11-09 23:23:16 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1880445
Bug Blocks:	1870295

Description Guilherme de Almeida Suckevicz 2020-08-19 16:52:43 UTC

ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal, as demonstrated by getlocal(3,2^31).

Reference:
http://lua-users.org/lists/lua-l/2020-07/msg00324.html

Upstream commit:
https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b

Comment 1 Tom "spot" Callaway 2020-08-19 18:45:49 UTC

Update pending for F31/F32, built for F33/F34.

Comment 3 errata-xmlrpc 2021-11-09 19:02:36 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:4510 https://access.redhat.com/errata/RHSA-2021:4510

Comment 4 Product Security DevOps Team 2021-11-09 23:23:15 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-24370