CVE-2021-45985

Summary

In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://www.lua.org/bugs.html#5.4.3-11
• https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5
• http://lua-users.org/lists/lua-l/2021-12/msg00019.html

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

References

• https://www.lua.org/bugs.html#5.4.3-11
• https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5
• http://lua-users.org/lists/lua-l/2021-12/msg00019.html

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