CVE-2022-28805
Published: 8 April 2022
singlevar in lparser.c in Lua from (including) 5.4.0 up to (excluding) 5.4.4 lacks a certain luaK_exp2anyregup call, leading to a heap-based buffer over-read that might affect a system that compiles untrusted Lua code.
Notes
| Author | Note |
|---|---|
| iconstantin | debian bug #1010265 mentions related code is introduced in 5.4 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
lua5.4 Launchpad, Ubuntu, Debian |
focal |
Does not exist
|
| bionic |
Does not exist
|
|
| impish |
Ignored
(end of life)
|
|
| jammy |
Needed
|
|
| kinetic |
Not vulnerable
(5.4.4-3)
|
|
| lunar |
Not vulnerable
(5.4.4-3)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(5.4.4-2)
|
|
| xenial |
Does not exist
|
|
| mantic |
Not vulnerable
(5.4.4-3)
|
|
|
lua5.1 Launchpad, Ubuntu, Debian |
jammy |
Not vulnerable
(code-not-present)
|
| kinetic |
Not vulnerable
(code not present)
|
|
| upstream |
Needs triage
|
|
| bionic |
Not vulnerable
(code-not-present)
|
|
| focal |
Not vulnerable
(code-not-present)
|
|
| impish |
Not vulnerable
(code-not-present)
|
|
| trusty |
Not vulnerable
(code-not-present)
|
|
| xenial |
Not vulnerable
(code-not-present)
|
|
| lunar |
Not vulnerable
(code not present)
|
|
| mantic |
Not vulnerable
(code not present)
|
|
|
lua5.2 Launchpad, Ubuntu, Debian |
impish |
Ignored
(end of life)
|
| jammy |
Not vulnerable
(code not present)
|
|
| upstream |
Needs triage
|
|
| bionic |
Not vulnerable
(code not present)
|
|
| focal |
Not vulnerable
(code not present)
|
|
| kinetic |
Not vulnerable
(code not present)
|
|
| lunar |
Not vulnerable
(code not present)
|
|
| trusty |
Not vulnerable
(code not present)
|
|
| xenial |
Not vulnerable
(code not present)
|
|
| mantic |
Not vulnerable
(code not present)
|
|
|
lua5.3 Launchpad, Ubuntu, Debian |
impish |
Ignored
(end of life)
|
| jammy |
Not vulnerable
(code not present)
|
|
| kinetic |
Not vulnerable
(code not present)
|
|
| lunar |
Not vulnerable
(code not present)
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code not present)
|
|
| bionic |
Not vulnerable
(code not present)
|
|
| focal |
Not vulnerable
(code not present)
|
|
| mantic |
Not vulnerable
(code not present)
|
|
|
lua50 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
| focal |
Not vulnerable
(code not present)
|
|
| impish |
Ignored
(end of life)
|
|
| jammy |
Does not exist
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code not present)
|
|
| mantic |
Does not exist
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.1 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |