Use After Free The advisory has been revoked - it doesn't affect any version of package lua5.3 (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1804-LUA53-1018742
- published15 Oct 2020
- disclosed21 Jul 2020
Introduced: 21 Jul 2020
CVE-2020-15888 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:18.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream lua5.3 package and not the lua5.3 package as distributed by Ubuntu.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2020-15888
- http://lua-users.org/lists/lua-l/2020-07/msg00053.html
- http://lua-users.org/lists/lua-l/2020-07/msg00054.html
- http://lua-users.org/lists/lua-l/2020-07/msg00071.html
- http://lua-users.org/lists/lua-l/2020-07/msg00079.html
- https://github.com/lua/lua/commit/6298903e35217ab69c279056f925fb72900ce0b7
- https://github.com/lua/lua/commit/eb41999461b6f428186c55abd95f4ce1a76217d5