CVE-2021-28667

CVSS V2 High 7.1 CVSS V3 High 7.5

Description

StackStorm before 3.4.1, in some situations, has an infinite loop that consumes all available memory and disk space. This can occur if Python 3.x is used, the locale is not utf-8, and there is an attempt to log Unicode data (from an action or rule name).

Overview

CVE ID
CVE-2021-28667

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2021-03-18T03:15:12

Last Modified Date
2021-03-25T13:44:17

Weakness Enumerations

CWE	URL
CWE-835	http://cwe.mitre.org/data/definitions/835.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version End
		AND
cpe:2.3:a:stackstorm:stackstorm::::::::	1	OR	3.4.1
cpe:2.3:a:python:python::::::::	0	OR	3.0.0

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
COMPLETE

Base Score
7.1

Severity
HIGH

Exploitability Score
8.6

Impact Score
6.9

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://stackstorm.com/2021/03/10/stackstorm-v3-4-1-security-fix/	Patch Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-28667
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28667

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:18:49				Added to TrackCVE
2022-12-05 23:57:48	2021-03-18T03:15Z	2021-03-18T03:15:12	CVE Published Date	updated
2022-12-05 23:57:48		2021-03-25T13:44:17	CVE Modified Date	updated
2022-12-05 23:57:48		Analyzed	Vulnerability Status	updated