Vulnerability Description
Lua 5.4.0 has a getobjname heap-based buffer over-read because youngcollection in lgc.c uses markold for an insufficient number of list members.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Lua | Lua | 5.4.0 |
Related Weaknesses (CWE)
References
- http://lua-users.org/lists/lua-l/2020-07/msg00078.htmlExploitMailing ListThird Party Advisory
- http://lua-users.org/lists/lua-l/2020-12/msg00157.htmlMailing ListThird Party Advisory
- https://github.com/lua/lua/commit/127e7a6c8942b362aa3c6627f44d660a4fb75312PatchThird Party Advisory
- http://lua-users.org/lists/lua-l/2020-07/msg00078.htmlExploitMailing ListThird Party Advisory
- http://lua-users.org/lists/lua-l/2020-12/msg00157.htmlMailing ListThird Party Advisory
- https://github.com/lua/lua/commit/127e7a6c8942b362aa3c6627f44d660a4fb75312PatchThird Party Advisory
FAQ
What is CVE-2020-15889?
CVE-2020-15889 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Lua 5.4.0 has a getobjname heap-based buffer over-read because youngcollection in lgc.c uses markold for an insufficient number of list members.
How severe is CVE-2020-15889?
CVE-2020-15889 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-15889?
Check the references section above for vendor advisories and patch information. Affected products include: Lua Lua.