CVE-2020-15945

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Lua through 5.4.0 has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.

Lua versiones hasta 5.4.0, presenta un fallo de segmentación en la función changedline en el archivo ldebug.c (por ejemplo, cuando es llamado por luaG_traceexec) porque espera incorrectamente que un valor oldpc siempre es actualizado siempre al regresar el flujo de control a una función

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-07-24 CVE Reserved
2020-07-24 CVE Published
2023-03-08 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
http://lua-users.org/lists/lua-l/2020-07/msg00123.html	2024-08-04

URL	Date	SRC
https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3	2023-04-20

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Lua Search vendor "Lua"		Lua Search vendor "Lua" for product "Lua"				>= 5.3.1 < 5.4.0 Search vendor "Lua" for product "Lua" and version " >= 5.3.1 < 5.4.0"		-		Affected