CVE Vulnerability

CVE-2020-24342

Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring because a protection mechanism wrongly calls luaD_callnoyield twice in a row.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27 Patch Third Party Advisory
http://lua-users.org/lists/lua-l/2020-07/msg00052.html Exploit Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QA5Q5MDQMTGXRQO3PAQ4EZFTYWJXZM5N/ Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:lua:lua:5.4.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Information

Published : 2020-08-13 07:15

Updated : 2021-01-26 03:54

NVD link : CVE-2020-24342

Mitre link : CVE-2020-24342

Products Affected
No products.
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer