VulnerabilityModified
CVE-2020-15888
Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based buffer overflow, heap-based buffer over-read, or use-after-free.
HIGH 8.8EPSS 2.45%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based buffer overflow, heap-based buffer over-read, or use-after-free.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.45% probability · 83th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125, CWE-416, CWE-787
- Affected
- lua/lua
- Source
- cve@mitre.org
References
- http://lua-users.org/lists/lua-l/2020-07/msg00053.htmlExploit, Mailing List, Third Party Advisory
- http://lua-users.org/lists/lua-l/2020-07/msg00054.htmlExploit, Mailing List, Third Party Advisory
- http://lua-users.org/lists/lua-l/2020-07/msg00071.htmlExploit, Mailing List, Third Party Advisory
- http://lua-users.org/lists/lua-l/2020-07/msg00079.htmlExploit, Mailing List, Third Party Advisory
- https://github.com/lua/lua/commit/6298903e35217ab69c279056f925fb72900ce0b7Patch, Third Party Advisory
- https://github.com/lua/lua/commit/eb41999461b6f428186c55abd95f4ce1a76217d5Patch, Third Party Advisory
- http://lua-users.org/lists/lua-l/2020-07/msg00053.htmlExploit, Mailing List, Third Party Advisory
- http://lua-users.org/lists/lua-l/2020-07/msg00054.htmlExploit, Mailing List, Third Party Advisory
- http://lua-users.org/lists/lua-l/2020-07/msg00071.htmlExploit, Mailing List, Third Party Advisory
- http://lua-users.org/lists/lua-l/2020-07/msg00079.htmlExploit, Mailing List, Third Party Advisory
- https://github.com/lua/lua/commit/6298903e35217ab69c279056f925fb72900ce0b7Patch, Third Party Advisory
- https://github.com/lua/lua/commit/eb41999461b6f428186c55abd95f4ce1a76217d5Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.