CVE-2022-33099

lua: heap buffer overflow in luaG_errormsg() in ldebug.c due to uncontrolled recursion in error handling

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue in the component luaG_runerror of Lua v5.4.4 and below leads to a heap-buffer overflow when a recursive error occurs.

Un problema en el componente luaG_runerror de Lua versiones v5.4.4 y posteriores, conlleva a un desbordamiento del búfer de la pila cuando es producido un error recursivo

A vulnerability was found in Lua. During error handling, the luaG_errormsg() component uses slots from EXTRA_STACK. Some errors can recur such as a string overflow while creating an error message in 'luaG_runerror', or a C-stack overflow before calling the message handler, causing a crash that leads to a denial of service.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

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

2022-06-13 CVE Reserved
2022-07-01 CVE Published
2024-02-20 EPSS Updated
2024-08-03 CVE Updated
2024-08-03 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (9)

URL	Tag	Source
https://www.lua.org/bugs.html#Lua-stack%20overflow%20when%20C%20stack%20overflows%20while%20handling%20an%20error:~:text=Lua-stack%20overflow%20when%20C%20stack%20overflows%20while%20handling%20an%20error	X_refsource_misc

URL	Date	SRC
https://lua-users.org/lists/lua-l/2022-05/msg00035.html	2024-08-03
https://lua-users.org/lists/lua-l/2022-05/msg00042.html	2024-08-03
https://lua-users.org/lists/lua-l/2022-05/msg00073.html	2024-08-03

URL	Date	SRC
https://github.com/lua/lua/commit/42d40581dd919fb134c07027ca1ce0844c670daf	2023-11-07

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA	2023-11-07
https://access.redhat.com/security/cve/CVE-2022-33099	2022-11-02
https://bugzilla.redhat.com/show_bug.cgi?id=2104427	2022-11-02

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"				>= 5.4.2 <= 5.4.4 Search vendor "Lua" for product "Lua" and version " >= 5.4.2 <= 5.4.4"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				35 Search vendor "Fedoraproject" for product "Fedora" and version "35"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				36 Search vendor "Fedoraproject" for product "Fedora" and version "36"		-		Affected