CVE Vulnerability

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.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

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

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
http://lua-users.org/lists/lua-l/2020-12/msg00157.html Mailing List Third Party Advisory
Configurations

Configuration 1

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

Published : 2020-07-21 10:15

Updated : 2020-12-23 05:41

NVD link : CVE-2020-15889

Mitre link : CVE-2020-15889

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read