CVE-2020-24369 — HIGH (7.5)

Vulnerability Description

ldebug.c in Lua 5.4.0 attempts to access debug information via the line hook of a stripped function, leading to a NULL pointer dereference.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Lua	Lua	5.4.0

Related Weaknesses (CWE)

CWE-476

References

https://github.com/lua/lua/commit/ae5b5ba529753c7a653901ffc29b5ea24c3fdf3aPatchThird Party Advisory
https://www.lua.org/bugs.html#5.4.0-12ExploitVendor Advisory
https://github.com/lua/lua/commit/ae5b5ba529753c7a653901ffc29b5ea24c3fdf3aPatchThird Party Advisory
https://www.lua.org/bugs.html#5.4.0-12ExploitVendor Advisory

FAQ

What is CVE-2020-24369?

CVE-2020-24369 is a vulnerability with a CVSS score of 7.5 (HIGH). ldebug.c in Lua 5.4.0 attempts to access debug information via the line hook of a stripped function, leading to a NULL pointer dereference.

How severe is CVE-2020-24369?

CVE-2020-24369 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-24369?

Check the references section above for vendor advisories and patch information. Affected products include: Lua Lua.