CVE-2021-44647

Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service.

CVSS v3 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

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

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://lua-users.org/lists/lua-l/2021-11/msg00195.html	Exploit Mailing List Vendor Advisory
http://lua-users.org/lists/lua-l/2021-11/msg00204.html	Mailing List Patch Vendor Advisory
https://access.redhat.com/security/cve/cve-2021-44647	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/
https://security.gentoo.org/glsa/202305-23

Configurations

Configuration 1 (hide)

cpe:2.3:a:lua:lua:5.4.3:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

History

No history.

Information

Published : 2022-01-11 13:15

Updated : 2023-11-07 03:39

NVD link : CVE-2021-44647

Mitre link : CVE-2021-44647

CVE.ORG link : CVE-2021-44647

JSON object : View

Products Affected

fedoraproject

fedora

lua

lua

CWE

CWE-843

Access of Resource Using Incompatible Type ('Type Confusion')

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