Main Vulnerability Database Vulnerabilities #VU45992

#VU45992 Integer underflow in Lua - CVE-2020-24370

Published: August 17, 2020 / Updated: August 25, 2020

Vulnerability identifier: #VU45992

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2020-24370

CWE-ID: CWE-191

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Lua

Software vendor:
Lua

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal, as demonstrated by getlocal(3,2^31).

Install update from vendor's website.