CVE-2020-15888
HIGH severity · CVSS 8.8 · Out-of-bounds read
8.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)2%
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/lua/lua/commit/6298903e35217ab69c279056f925fb72900ce0b7 ↗
Additional information
- NVD record
- https://github.com/lua/lua/commit/6298903e35217ab69c279056f925fb72900ce0b7Patch
- https://github.com/lua/lua/commit/eb41999461b6f428186c55abd95f4ce1a76217d5Patch
- http://lua-users.org/lists/lua-l/2020-07/msg00053.htmlAdvisory
- http://lua-users.org/lists/lua-l/2020-07/msg00054.htmlAdvisory
- http://lua-users.org/lists/lua-l/2020-07/msg00071.htmlAdvisory
- http://lua-users.org/lists/lua-l/2020-07/msg00079.htmlAdvisory