CVE-2020-15889

Lua 5.4.0 has a getobjname heap-based buffer over-read because youngcollection in lgc.c uses markold for an insufficient number of list members.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/lua/lua/commit/127e7a6c8942b362aa3c6627f44d660a4fb75312	Patch Third Party Advisory
http://lua-users.org/lists/lua-l/2020-07/msg00078.html	Exploit Mailing List Third Party Advisory
http://lua-users.org/lists/lua-l/2020-12/msg00157.html	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:lua:lua:5.4.0:*:*:*:*:*:*:*

Information

Published : 2020-07-21 15:15

Updated : 2020-12-23 09:41

NVD link : CVE-2020-15889

Mitre link : CVE-2020-15889

JSON object : View

CWE

CWE-125

Out-of-bounds Read

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Products Affected

lua

lua

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