CVE-2022-28805

Sažetak

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.

Reference

https://github.com/lua/lua/commit/1f3c6f4534c6411313361697d98d1145a1f030fa
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA/
https://lua-users.org/lists/lua-l/2022-02/msg00001.html
https://lua-users.org/lists/lua-l/2022-02/msg00070.html
https://lua-users.org/lists/lua-l/2022-04/msg00009.html
https://security.gentoo.org/glsa/202305-23

CVSS

Base:	6.4
Impact:	4.9
Exploitability:	10.0

Pristup

Vektor	Složenost	Autentikacija
NETWORK	LOW	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
PARTIAL	NONE	PARTIAL

CVSS vektor

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

Zadnje važnije ažuriranje

20-06-2024 - 14:44

Objavljeno

08-04-2022 - 06:15