Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2020-24370

Severity CVSS v4.0:
Pending analysis
Type:
CWE-191 Integer Underflow (Wrap or Wraparound)
Publication date:
17/08/2020
Last modified:
05/05/2025

Description

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).

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS v3.1 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): Low

Base Score 3.x
5.30
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
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:-:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools