CVE-2018-12249

CVSS V2 Medium 5 CVSS V3 High 7.5

Description

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.

Overview

CVE ID
CVE-2018-12249

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2018-06-12T14:29:00

Last Modified Date
2022-05-12T20:12:06

Weakness Enumerations

CWE	URL
CWE-476	http://cwe.mitre.org/data/definitions/476.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:mruby:mruby:1.4.1:::::::*	1	OR
cpe:2.3:o:debian:debian_linux:9.0:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://github.com/mruby/mruby/issues/4037	Issue Tracking Third Party Advisory
https://github.com/mruby/mruby/commit/faa4eaf6803bd11669bc324b4c34e7162286bfa3	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2018-12249
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12249

History

Created	Old Value	New Value	Data Type	Notes
2022-05-08 06:19:00				Added to TrackCVE
2022-12-03 07:57:11	2018-06-12T14:29Z	2018-06-12T14:29:00	CVE Published Date	updated
2022-12-03 07:57:11		2022-05-12T20:12:06	CVE Modified Date	updated
2022-12-03 07:57:11		Analyzed	Vulnerability Status	updated