Bug 2047672 (CVE-2021-43519) - CVE-2021-43519 lua: stack overflow in lua_resume of ldo.c allows a DoS via a crafted script file
Summary: CVE-2021-43519 lua: stack overflow in lua_resume of ldo.c allows a DoS via a ...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-43519
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2047673 2048364 2048367 2048368 2048369 2048461 2166648 2166649
Blocks: 2047674
TreeView+ depends on / blocked
 
Reported: 2022-01-28 09:33 UTC by Marian Rehak
Modified: 2023-03-14 17:57 UTC (History)
20 users (show)

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.
Clone Of:
Environment:
Last Closed: 2023-03-14 17:57:24 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2023:0957 0 None None None 2023-02-28 08:19:03 UTC
Red Hat Product Errata RHSA-2023:1211 0 None None None 2023-03-14 13:55:00 UTC

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
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