Use After Free The advisory has been revoked - it doesn't affect any version of package lua (opens in a new tab)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-CENTOS7-LUA-2428958
- published17 Mar 2022
- disclosed29 Nov 2021
Introduced: 29 Nov 2021
CVE-2021-44964 (opens in a new tab)Amendment
The Centos security team deemed this advisory irrelevant for Centos:7.
NVD Description
Note: Versions mentioned in the description apply only to the upstream lua package and not the lua package as distributed by Centos.
Use after free in garbage collector and finalizer of lgc.c in Lua interpreter 5.4.0~5.4.3 allows attackers to perform Sandbox Escape via a crafted script file.
References
- https://access.redhat.com/security/cve/CVE-2021-44964
- https://access.redhat.com/errata/RHSA-2023:0957
- http://lua-users.org/lists/lua-l/2021-11/msg00186.html
- http://lua-users.org/lists/lua-l/2021-12/msg00007.html
- http://lua-users.org/lists/lua-l/2021-12/msg00015.html
- http://lua-users.org/lists/lua-l/2021-12/msg00030.html
- https://github.com/Lua-Project/lua-5.4.4-sandbox-escape-with-new-vulnerability