Vulnerability identifier: #VU68952
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-122
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Lua
Universal components / Libraries /
Scripting languages
Vendor: 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.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Lua: 5.4.0 - 5.4.4
External links
http://lua-users.org/lists/lua-l/2022-05/msg00073.html
http://lua-users.org/lists/lua-l/2022-05/msg00042.html
http://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
http://lua-users.org/lists/lua-l/2022-05/msg00035.html
http://github.com/lua/lua/commit/42d40581dd919fb134c07027ca1ce0844c670daf
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.