Base Score

CRITICAL9.8

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.

VectorNETWORK

Published Bycve@mitre.org

Published DateJul 21, 2020, 22:15

Weakness Type (CWE):CWE-125

CVSS Metrics

Base Score

9.8

Vector String

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

Base Severity

CRITICAL

Version

3.1

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

HIGH

Integrity (I)

HIGH

Availability (A)

HIGH

References

http://lua-users.org/lists/lua-l/2020-07/msg00078.html
http://lua-users.org/lists/lua-l/2020-12/msg00157.html
https://github.com/lua/lua/commit/127e7a6c8942b362aa3c6627f44d660a4fb75312

Base Score

CRITICAL9.8

Weakness Type (CWE):CWE-125

CVSS Metrics

Base Score

9.8

Vector String

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

Base Severity

CRITICAL

Version

3.1

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

HIGH

Integrity (I)

HIGH

Availability (A)

HIGH