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: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: 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   
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:
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.



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):