#VU68952 Heap-based buffer overflow in Lua - CVE-2022-33099
Published: November 2, 2022 / Updated: May 1, 2023
Vulnerability identifier: #VU68952
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-33099
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Lua
Lua
Software vendor:
Lua
Lua
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The
vulnerability exists due to a boundary error in the luaG_runerror component. A remote attacker can send specially crafted data to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://lua-users.org/lists/lua-l/2022-05/msg00073.html
- https://lua-users.org/lists/lua-l/2022-05/msg00042.html
- https://www.lua.org/bugs.html#Lua-stack%20overflow%20when%20C%20stack%20overflows%20while%20handling%20an%20error:~:text=Lua%2Dstack%20overflow%20when%20C%20stack%20overflows%20while%20handling%20an%20error
- https://lua-users.org/lists/lua-l/2022-05/msg00035.html
- https://github.com/lua/lua/commit/42d40581dd919fb134c07027ca1ce0844c670daf
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA/