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.

CVSS v3.0 9.1 CRITICAL
CVSS v2.0 6.4 MEDIUM

9.1^/10

CVSS v3.0 : CRITICAL

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

6.4^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:P

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://lua-users.org/lists/lua-l/2022-02/msg00001.html	Exploit Mailing List Third Party Advisory
https://lua-users.org/lists/lua-l/2022-02/msg00070.html	Exploit Mailing List Third Party Advisory
https://lua-users.org/lists/lua-l/2022-04/msg00009.html	Exploit Mailing List Third Party Advisory
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

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Configurations

Configuration 1 (hide)

cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:35:::::::*
	cpe:2.3:o:fedoraproject:fedora:36:::::::*

Information

Published : 2022-04-07 23:15

Updated : 2022-11-30 11:02

NVD link : CVE-2022-28805

Mitre link : CVE-2022-28805

JSON object : View

CWE

CWE-125

Out-of-bounds Read

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Products Affected

lua

lua

fedoraproject

fedora

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