Vulnerability CVE-2022-28805
Published: 2022-04-08

Description:
singlevar in lparser.c in Lua through 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.

Type:

CWE-125

 (Out-of-bounds Read)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.4/10
4.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
Partial
Affected software
LUA -> LUA 

 References:
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://github.com/lua/lua/commit/1f3c6f4534c6411313361697d98d1145a1f030fa
Copyright 2024, cxsecurity.com

 

Back to Top