Bug 2047672 (CVE-2021-43519)

Summary:	CVE-2021-43519 lua: stack overflow in lua_resume of ldo.c allows a DoS via a crafted script file
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	4le, bdettelb, caswilli, csutherl, drjohnson1, fjansen, gzaronik, jburrell, jclere, jwon, kaycoth, lua-packagers-sig, mhroncok, michel, mturk, packaging-team-maint, pjindal, rob.myers, spotrh, szappis
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	lua 5.3.5, lua 5.4.4	Doc Type:	If docs needed, set a value
Doc Text:	A stack overflow issue was discovered in Lua in the lua_resume() function of 'ldo.c'. This flaw allows a local attacker to pass a specially crafted file to the Lua Interpreter, causing a crash that leads to a denial of service.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-03-14 17:57:24 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:	2047673, 2048364, 2048367, 2048368, 2048369, 2048461, 2166648, 2166649
Bug Blocks:	2047674

Description Marian Rehak 2022-01-28 09:33:37 UTC

Stack overflow in lua_resume of ldo.c in Lua Interpreter allows attackers to perform a Denial of Service via a crafted script file.

Reference:

http://lua-users.org/lists/lua-l/2021-11/msg00015.html
http://lua-users.org/lists/lua-l/2021-10/msg00123.html

Comment 1 Marian Rehak 2022-01-28 09:34:08 UTC

Created lua tracking bugs for this issue:

Affects: fedora-all [bug 2047673]

Comment 11 errata-xmlrpc 2023-02-28 08:19:00 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:0957 https://access.redhat.com/errata/RHSA-2023:0957

Comment 12 errata-xmlrpc 2023-03-14 13:54:58 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Extended Update Support

Via RHSA-2023:1211 https://access.redhat.com/errata/RHSA-2023:1211

Comment 13 Product Security DevOps Team 2023-03-14 17:57:21 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-2021-43519