CVE-2022-1071

CVSS V2 Medium 6.8 CVSS V3 High 8.2

Description

User after free in mrb_vm_exec in GitHub repository mruby/mruby prior to 3.2.

Overview

CVE ID
CVE-2022-1071

Assigner
security@huntr.dev

Vulnerability Status
Analyzed

Published Version
2022-03-26T04:15:09

Last Modified Date
2022-03-31T01:03:40

Weakness Enumerations

CWE	URL
CWE-416	http://cwe.mitre.org/data/definitions/416.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:mruby:mruby::::::::	1	OR		3.1

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
6.8

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
6.4

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
REQUIRED

Scope
CHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
8.2

Base Severity
HIGH

Exploitability Score
1.5

Impact Score
6

References

Reference URL	Reference Tags
https://huntr.dev/bounties/6597ece9-07af-415b-809b-919ce0a17cf3	Exploit Patch Third Party Advisory
https://github.com/mruby/mruby/commit/aaa28a508903041dd7399d4159a8ace9766b022f	Patch Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2022-1071
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-1071

History

Created	Old Value	New Value	Data Type	Notes
2022-04-04 00:39:57				Added to TrackCVE
2022-12-06 13:21:38	2022-03-26T04:15Z	2022-03-26T04:15:09	CVE Published Date	updated
2022-12-06 13:21:38		2022-03-31T01:03:40	CVE Modified Date	updated
2022-12-06 13:21:38		Analyzed	Vulnerability Status	updated