CVE-2020-24342

high

Description

Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring because a protection mechanism wrongly calls luaD_callnoyield twice in a row.

References

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QA5Q5MDQMTGXRQO3PAQ4EZFTYWJXZM5N/

https://github.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27

http://lua-users.org/lists/lua-l/2020-07/msg00052.html

Details

Source: Mitre, NVD

Published: 2020-08-13

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High