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CVE-2020-24369

Published: 17 August 2020

ldebug.c in Lua 5.4.0 attempts to access debug information via the line hook of a stripped function, leading to a NULL pointer dereference.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
lua5.1
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
groovy Not vulnerable
(code not present)
hirsute Not vulnerable
(code not present)
impish Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
trusty Not vulnerable
(code not present)
upstream Needs triage

xenial Not vulnerable
(code not present)
lua5.2
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
groovy Not vulnerable
(code not present)
hirsute Not vulnerable
(code not present)
impish Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
trusty Not vulnerable
(code not present)
upstream Needs triage

xenial Not vulnerable
(code not present)
lua5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
groovy Not vulnerable
(code not present)
hirsute Not vulnerable
(code not present)
impish Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code not present)
lua5.4
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

groovy Ignored
(end of life)
hirsute Not vulnerable
(5.4.1-1)
impish Not vulnerable
(5.4.1-1)
jammy Not vulnerable
(5.4.1-1)
trusty Does not exist

upstream Needs triage

xenial Does not exist

lua50
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
groovy Not vulnerable
(code not present)
hirsute Not vulnerable
(code not present)
impish Not vulnerable
(code not present)
jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code not present)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H