CVE-2022-1212

CVSS V2 High 7.5 CVSS V3 Critical 9.8

Description

Use-After-Free in str_escape in mruby/mruby in GitHub repository mruby/mruby prior to 3.2. Possible arbitrary code execution if being exploited.

Overview

CVE ID
CVE-2022-1212

Assigner
security@huntr.dev

Vulnerability Status
Analyzed

Published Version
2022-04-05T04:15:08

Last Modified Date
2022-04-12T20:53:53

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		3.0.0
cpe:2.3:a:mruby:mruby:3.1.0:rc::::::	1	OR
cpe:2.3:a:mruby:mruby:3.1.0:rc2::::::	1	OR

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
7.5

Severity
HIGH

Exploitability Score
10

Impact Score
6.4

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
9.8

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
5.9

References

Reference URL	Reference Tags
https://github.com/mruby/mruby/commit/3cf291f72224715942beaf8553e42ba8891ab3c6	Patch Third Party Advisory
https://huntr.dev/bounties/9fcc06d0-08e4-49c8-afda-2cae40946abe	Exploit Issue Tracking Patch Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2022-1212
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-1212

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 15:43:15				Added to TrackCVE
2022-12-06 14:16:59	2022-04-05T04:15Z	2022-04-05T04:15:08	CVE Published Date	updated
2022-12-06 14:16:59		2022-04-12T20:53:53	CVE Modified Date	updated
2022-12-06 14:16:59		Analyzed	Vulnerability Status	updated