CVE-2018-10199 Information

Description

In versions of mruby up to and including 1.4.0 a use-after-free vulnerability exists in src/io.c::Fileinitilialize_copy(). An attacker that can cause Ruby code to be run can possibly use this to execute arbitrary code.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/mruby/mruby/commit/b51b21fc63c9805862322551387d9036f2b63433 https://github.com/mruby/mruby/issues/4001

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8