CVE-2020-24342
Published: 13 August 2020
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.
Notes
Author | Note |
---|---|
mdeslaur | couldn't reproduce on lua earlier than 5.4, and problematic code doesn't seem present. Marking as not-affected. |
Priority
Status
Package | Release | Status |
---|---|---|
lua5.1 Launchpad, Ubuntu, Debian |
impish |
Not vulnerable
(code not present)
|
hirsute |
Not vulnerable
(code not present)
|
|
upstream |
Needs triage
|
|
bionic |
Not vulnerable
(code not present)
|
|
focal |
Not vulnerable
(code not present)
|
|
groovy |
Not vulnerable
(code not present)
|
|
trusty |
Not vulnerable
(code not present)
|
|
xenial |
Not vulnerable
(code not present)
|
|
jammy |
Not vulnerable
(code not present)
|
|
lua5.2 Launchpad, Ubuntu, Debian |
impish |
Not vulnerable
(code not present)
|
hirsute |
Not vulnerable
(code not present)
|
|
upstream |
Needs triage
|
|
bionic |
Not vulnerable
(code not present)
|
|
focal |
Not vulnerable
(code not present)
|
|
groovy |
Not vulnerable
(code not present)
|
|
trusty |
Not vulnerable
(code not present)
|
|
xenial |
Not vulnerable
(code not present)
|
|
jammy |
Not vulnerable
(code not present)
|
|
lua5.3 Launchpad, Ubuntu, Debian |
impish |
Not vulnerable
(code not present)
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
bionic |
Not vulnerable
(code not present)
|
|
focal |
Not vulnerable
(code not present)
|
|
groovy |
Not vulnerable
(code not present)
|
|
hirsute |
Not vulnerable
(code not present)
|
|
jammy |
Not vulnerable
(code not present)
|
|
xenial |
Not vulnerable
(code not present)
|
|
lua5.4 Launchpad, Ubuntu, Debian |
impish |
Not vulnerable
(5.4.1-1)
|
hirsute |
Not vulnerable
(5.4.1-1)
|
|
bionic |
Does not exist
|
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
groovy |
Ignored
(end of life)
|
|
jammy |
Not vulnerable
(5.4.1-1)
|
|
Patches: upstream: https://github.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27 |
||
lua50 Launchpad, Ubuntu, Debian |
impish |
Not vulnerable
(code not present)
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
bionic |
Not vulnerable
(code not present)
|
|
focal |
Not vulnerable
(code not present)
|
|
groovy |
Not vulnerable
(code not present)
|
|
hirsute |
Not vulnerable
(code not present)
|
|
jammy |
Does not exist
|
|
xenial |
Not vulnerable
(code not present)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |