CVE Vulnerability

CVE-2020-15945

Lua through 5.4.0 has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3 Patch Third Party Advisory
http://lua-users.org/lists/lua-l/2020-07/msg00123.html Exploit Mailing List
Configurations

Configuration 1

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

Published : 2020-07-24 09:15

Updated : 2020-08-11 05:30

NVD link : CVE-2020-15945

Mitre link : CVE-2020-15945

Products Affected
No products.
CWE
NVD-CWE-Other