CVE-2020-24370

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).

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://lua-users.org/lists/lua-l/2020-07/msg00324.html	Exploit Mailing List Vendor Advisory
https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/	Third Party Advisory
http://lua-users.org/lists/lua-l/2020-07/msg00324.html	Exploit Mailing List Vendor Advisory
https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:lua:lua:5.2.0:-::::::
	cpe:2.3:a:lua:lua:5.2.0:alpha::::::
	cpe:2.3:a:lua:lua:5.2.0:beta::::::
	cpe:2.3:a:lua:lua:5.2.1:::::::*
	cpe:2.3:a:lua:lua:5.2.2:::::::*
	cpe:2.3:a:lua:lua:5.2.3:::::::*
	cpe:2.3:a:lua:lua:5.3.0:-::::::
	cpe:2.3:a:lua:lua:5.3.0:alpha::::::
	cpe:2.3:a:lua:lua:5.3.0:beta::::::
	cpe:2.3:a:lua:lua:5.3.1:::::::*
	cpe:2.3:a:lua:lua:5.3.2:::::::*
	cpe:2.3:a:lua:lua:5.3.3:::::::*
	cpe:2.3:a:lua:lua:5.3.4:::::::*
	cpe:2.3:a:lua:lua:5.3.5:::::::*
	cpe:2.3:a:lua:lua:5.4.0:-::::::
	cpe:2.3:a:lua:lua:5.4.0:alpha::::::
	cpe:2.3:a:lua:lua:5.4.0:beta::::::

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:31:::::::*
	cpe:2.3:o:fedoraproject:fedora:32:::::::*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

History

21 Nov 2024, 05:14

Type	Values Removed	Values Added
References	~~() http://lua-users.org/lists/lua-l/2020-07/msg00324.html - Exploit, Mailing List, Vendor Advisory~~	() http://lua-users.org/lists/lua-l/2020-07/msg00324.html - Exploit, Mailing List, Vendor Advisory
References	~~() https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b - Patch, Third Party Advisory~~	() https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b - Patch, Third Party Advisory
References	~~() https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html - Mailing List, Third Party Advisory~~	() https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html - Mailing List, Third Party Advisory
References	~~() https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html - Third Party Advisory~~	() https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html - Third Party Advisory
References	~~() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/ - Third Party Advisory~~	() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/ - Third Party Advisory
References	~~() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/ - Third Party Advisory~~	() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/ - Third Party Advisory

09 Sep 2024, 13:54

Type	Values Removed	Values Added
CPE		cpe:2.3:a:lua:lua:5.3.0:alpha:::::: cpe:2.3:a:lua:lua:5.3.3:::::::* cpe:2.3:a:lua:lua:5.2.3:::::::* cpe:2.3:a:lua:lua:5.3.0:beta:::::: cpe:2.3:a:lua:lua:5.3.4:::::::* cpe:2.3:a:lua:lua:5.3.2:::::::* cpe:2.3:a:lua:lua:5.3.5:::::::* cpe:2.3:a:lua:lua:5.2.0:-:::::: cpe:2.3:a:lua:lua:5.3.0:-:::::: cpe:2.3:a:lua:lua:5.2.0:alpha:::::: cpe:2.3:a:lua:lua:5.4.0:beta:::::: cpe:2.3:a:lua:lua:5.4.0:alpha:::::: cpe:2.3:a:lua:lua:5.2.0:beta:::::: cpe:2.3:a:lua:lua:5.2.1:::::::* cpe:2.3:a:lua:lua:5.2.2:::::::* cpe:2.3:a:lua:lua:5.3.1:::::::*
References	~~() https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html -~~	() https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html - Third Party Advisory
References	~~() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/ -~~	() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/ - Third Party Advisory
References	~~() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/ -~~	() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/ - Third Party Advisory

Information

Published : 2020-08-17 17:15

Updated : 2025-05-05 14:12

NVD link : CVE-2020-24370

Mitre link : CVE-2020-24370

CVE.ORG link : CVE-2020-24370

JSON object : View

Products Affected

lua

debian

debian_linux

fedoraproject

fedora

CWE

CWE-191

Integer Underflow (Wrap or Wraparound)

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"confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2020-08-17T17:15:13.877", "references": [{"url": "http://lua-users.org/lists/lua-l/2020-07/msg00324.html", "tags": ["Exploit", "Mailing List", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://lua-users.org/lists/lua-l/2020-07/msg00324.html", "tags": ["Exploit", "Mailing List", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00019.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00031.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6KONNG6UEI3FMEOY67NDZC32NBGBI44/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QXYMCIUNGK26VHAYHGP5LPW56G2KWOHQ/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-191"}]}], "descriptions": [{"lang": "en", "value": "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)."}, {"lang": "es", "value": "El archivo ldebug.c en Lua versi\u00f3n 5.4.0, permite un desbordamiento de negaci\u00f3n y un error de segmentaci\u00f3n en getlocal y setlocal, como es demostrado por getlocal (3,2^31)."}], "lastModified": "2025-05-05T14:12:47.407", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:lua:lua:5.2.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F41B4A37-B7E5-4405-B5EA-5F1832AF02E7"}, {"criteria": "cpe:2.3:a:lua:lua:5.2.0:alpha:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A2191642-D493-4813-87BF-20AD2E63A2AB"}, {"criteria": "cpe:2.3:a:lua:lua:5.2.0:beta:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D810ACDB-A811-4B70-AA77-E724CD0242B3"}, {"criteria": "cpe:2.3:a:lua:lua:5.2.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "74A8D450-9B86-43DC-93A1-F68E42391948"}, {"criteria": "cpe:2.3:a:lua:lua:5.2.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2293D8C6-2D69-49EF-8BB9-F5222951386B"}, {"criteria": "cpe:2.3:a:lua:lua:5.2.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "25977A23-CF7A-4C39-8F0D-38E958E92F75"}, {"criteria": "cpe:2.3:a:lua:lua:5.3.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6820CE33-926F-477F-A99E-153E88BD5248"}, {"criteria": "cpe:2.3:a:lua:lua:5.3.0:alpha:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4D651FE4-77A4-47CC-8EC6-FB8D35A2316F"}, {"criteria": "cpe:2.3:a:lua:lua:5.3.0:beta:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9CBD494F-5C56-4472-9C02-09A14222E024"}, {"criteria": "cpe:2.3:a:lua:lua:5.3.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "ED403C07-5D1C-4027-9A07-DD7AC4B9442E"}, {"criteria": "cpe:2.3:a:lua:lua:5.3.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A69EE245-6921-4EC4-B052-558A3BA259E7"}, {"criteria": "cpe:2.3:a:lua:lua:5.3.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4DE6741D-A69C-4D2E-B5C9-EC44792BA871"}, {"criteria": "cpe:2.3:a:lua:lua:5.3.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AE86E188-EB0F-4D54-B1E7-0213C099DAB1"}, {"criteria": "cpe:2.3:a:lua:lua:5.3.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B1D6D7F5-0738-45EB-A4F2-9A65F8DD2D0A"}, {"criteria": "cpe:2.3:a:lua:lua:5.4.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E9F78BF8-B73C-42C6-AF54-2CD935670053"}, {"criteria": "cpe:2.3:a:lua:lua:5.4.0:alpha:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F49EE868-BA14-48D2-9C97-B52E6576EC62"}, {"criteria": "cpe:2.3:a:lua:lua:5.4.0:beta:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C9117B51-57B0-4648-B937-69A6DAC06134"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}

5.3 /10

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0 /10

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

JSON object

Attach tags to CVE-2020-24370

5.3^/10

5.0^/10

Attach tags to `CVE-2020-24370`