CVE Vulnerability

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.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

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

References
Link Resource
http://lua-users.org/lists/lua-l/2021-11/msg00204.html Mailing List Patch
http://lua-users.org/lists/lua-l/2021-11/msg00195.html Exploit Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/ Mailing List Third Party Advisory
https://access.redhat.com/security/cve/cve-2021-44647 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:lua:lua:5.4.3:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Information

Published : 2022-01-11 01:15

Updated : 2022-05-13 03:52

NVD link : CVE-2021-44647

Mitre link : CVE-2021-44647

Products Affected
No products.
CWE
CWE-843