CVE-2020-15889
Published: 21 July 2020
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.
Notes
| Author | Note |
|---|---|
| leosilva | bug was introduced in commit f5f3df3bd17fb3489bbd26ab39fe1580a8dbf9c9 which was merged in Lua 5.4 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
lua5.1 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
| focal |
Not vulnerable
|
|
| trusty |
Not vulnerable
|
|
| upstream |
Released
|
|
| xenial |
Not vulnerable
|
|
|
lua5.2 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
| focal |
Not vulnerable
|
|
| trusty |
Not vulnerable
|
|
| upstream |
Released
|
|
| xenial |
Not vulnerable
|
|
|
lua5.3 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
| focal |
Not vulnerable
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
|
|
| xenial |
Not vulnerable
|
|
|
lua5.4 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| focal |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
lua50 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
| focal |
Not vulnerable
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
|
|
| xenial |
Not vulnerable
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |