CVE-2020-15888
HIGHCVSS 8.8/10EPSS 2.45%
Last modified
CVE-2020-15888 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 2.45% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Lua | Lua | 5.4.0 |
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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2020-15888?
CVE-2020-15888 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.45% probability of exploitation in the next 30 days.
How do I fix CVE-2020-15888?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-15888?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST