CVE Vulnerability

CVE-2022-28805

singlevar in lparser.c in Lua from (including) 5.4.0 up to (excluding) 5.4.4 lacks a certain luaK_exp2anyregup call, leading to a heap-based buffer over-read that might affect a system that compiles untrusted Lua code.

6.4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

Scope

9.1 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://lua-users.org/lists/lua-l/2022-02/msg00001.html Exploit Mailing List
https://lua-users.org/lists/lua-l/2022-02/msg00070.html Exploit Mailing List
https://lua-users.org/lists/lua-l/2022-04/msg00009.html Exploit Mailing List
https://github.com/lua/lua/commit/1f3c6f4534c6411313361697d98d1145a1f030fa Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA/ Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
Information

Published : 2022-04-08 06:15

Updated : 2022-11-30 07:02

NVD link : CVE-2022-28805

Mitre link : CVE-2022-28805

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read