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CVE-2018-12249

Good to know:

Date: June 12, 2018

An issue was discovered in mruby 1.4.1. There is a NULL pointer dereference in mrb_class_real because "class BasicObject" is not properly supported in class.c.

Language: C

Severity Score

7.5

Related Resources (6)

Url: https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html

Url: https://github.com/mruby/mruby/commit/faa4eaf6803bd11669bc324b4c34e7162286bfa3

Url: https://github.com/mruby/mruby/issues/4037

Url: https://security-tracker.debian.org/tracker/CVE-2018-12249

Url: https://nvd.nist.gov/vuln/detail/CVE-2018-12249

Url: https://www.mend.io/vulnerability-database/CVE-2018-12249

Severity Score

7.5

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

Upgrade Version

Upgrade to version 2.0.0

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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