PT-2023-12563 · Lua+1 · Lua+1

Roberto-Ieru · Publicado 2023-04-10 · Atualizado 2025-04-25 · CVE-2021-45985

Positive Technologies (AI Summary)

CVSS v3.1

7.5

Alta

Vetor base

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Lua version 5.4.3

Description The issue is related to an erroneous finalizer called during a tail call, leading to a heap-based buffer over-read in Lua 5.4.3.

Recommendations For Lua version 5.4.3, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Enumeração de Fraquezas

CWE-787

Identificadores relacionados

AZL-26047

AZL-26155

AZL-26158

AZL-35066

BIT-LUA-2021-45985

CVE-2021-45985

OESA-2023-1241

OESA-2023-1242

Produtos afetados

Debian

Lua

Referências · 22

• 🔥 http://lua-users.org/lists/lua-l/2021-12/msg00019.html · Exploit
• https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5 · Correção
• https://osv.dev/vulnerability/AZL-35066 · Aviso do Fabricante
• https://osv.dev/vulnerability/AZL-26158 · Aviso do Fabricante
• https://osv.dev/vulnerability/BIT-lua-2021-45985 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2021-45985 · Nota de Segurança
• https://t.me/cvenotify/119841 · Publicação no Telegram
• https://osv.dev/vulnerability/OESA-2023-1241 · Aviso do Fabricante
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-45985 · Aviso do Fabricante
• https://twitter.com/windowsforum/status/1879340452295344629 · Publicação no Twitter
• https://security-tracker.debian.org/tracker/CVE-2021-45985 · Aviso do Fabricante
• https://lua.org/bugs.html#5.4.3-11 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2021-45985 · Aviso do Fabricante
• https://cve.org/CVERecord?id=CVE-2021-45985 · Nota de Segurança
• https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1241 · Nota