CVE-2020-36401 Information

Description

mruby 2.1.2 has a double free in mrb_default_allocf (called from mrb_free and obj_free).

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23801 https://github.com/mruby/mruby/commit/97319697c8f9f6ff27b32589947e1918e3015503 https://github.com/google/oss-fuzz-vulns/blob/main/vulns/mruby/OSV-2020-744.yaml

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8