CVE-2020-15888
Published: 21 July 2020
Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based buffer overflow, heap-based buffer over-read, or use-after-free.
Notes
Author | Note |
---|---|
mdeslaur | couldn't reproduce on lua earlier than 5.4. No indication that earlier versions are vulnerable. Marking not-affected. |
Priority
Status
Package | Release | Status |
---|---|---|
lua5.1 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
focal |
Not vulnerable
|
|
groovy |
Not vulnerable
|
|
hirsute |
Not vulnerable
|
|
impish |
Not vulnerable
|
|
jammy |
Not vulnerable
|
|
trusty |
Not vulnerable
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
|
|
lua5.2 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
focal |
Not vulnerable
|
|
groovy |
Not vulnerable
|
|
hirsute |
Not vulnerable
|
|
impish |
Not vulnerable
|
|
jammy |
Not vulnerable
|
|
trusty |
Not vulnerable
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
|
|
lua5.3 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
focal |
Not vulnerable
|
|
groovy |
Not vulnerable
|
|
hirsute |
Not vulnerable
|
|
impish |
Not vulnerable
|
|
jammy |
Not vulnerable
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
|
|
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
|
|
Patches: upstream: https://github.com/lua/lua/commit/6298903e35217ab69c279056f925fb72900ce0b7 upstream: https://github.com/lua/lua/commit/eb41999461b6f428186c55abd95f4ce1a76217d5 |
||
lua50 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
focal |
Not vulnerable
|
|
groovy |
Not vulnerable
|
|
hirsute |
Not vulnerable
|
|
impish |
Not vulnerable
|
|
jammy |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |