CVE-2021-44647

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

5.5 /10

CVSS v3 : 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

2.1 /10

CVSS v2.0 : LOW

V2 Legend

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
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

21 Nov 2024, 06:31

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

07 Nov 2023, 03:39

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/', 'name': 'FEDORA-2022-473560d1a6', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/ -

03 May 2023, 12:15

Type Values Removed Values Added
References
  • (GENTOO) https://security.gentoo.org/glsa/202305-23 -
Information

Published : 2022-01-11 13:15

Updated : 2024-11-21 06:31

NVD link : CVE-2021-44647

Mitre link : CVE-2021-44647

CVE.ORG link : CVE-2021-44647

JSON object : View

Products Affected

lua

  • lua

fedoraproject

  • fedora
CWE
CWE-843

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