CVE-2020-36401
Published: 1 July 2021
mruby 2.1.2 has a double free in mrb_default_allocf (called from mrb_free and obj_free).
Priority
Status
Package | Release | Status |
---|---|---|
mruby Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Needs triage
|
|
groovy |
Ignored
(end of life)
|
|
hirsute |
Ignored
(end of life)
|
|
impish |
Ignored
(end of life)
|
|
jammy |
Needed
|
|
kinetic |
Ignored
(end of life, was needed)
|
|
lunar |
Not vulnerable
(3.0.0-4)
|
|
mantic |
Not vulnerable
(3.0.0-4)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(3.0.0)
|
|
xenial |
Needs triage
|
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 |
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23801
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/mruby/OSV-2020-744.yaml
- https://github.com/mruby/mruby/commit/97319697c8f9f6ff27b32589947e1918e3015503
- https://www.cve.org/CVERecord?id=CVE-2020-36401
- NVD
- Launchpad
- Debian