CVEvulnerability
CVE-2020-24342
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-08-13
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-119
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.
Affected configurations
• lua lua 5.4.0
• fedoraproject fedora 33
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- http://lua-users.org/lists/lua-l/2020-07/msg00052.html Exploit, Mailing List, Vendor Advisory
- https://github.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27 Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QA5Q5MDQMTGXRQO3PAQ4EZFTYWJXZM5N/ lists.fedoraproject.org
- http://lua-users.org/lists/lua-l/2020-07/msg00052.html Exploit, Mailing List, Vendor Advisory
- https://github.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27 Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QA5Q5MDQMTGXRQO3PAQ4EZFTYWJXZM5N/ lists.fedoraproject.org