CVE-2021-28667

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).

CVSS v3 7.5 HIGH
CVSS v2.0 7.1 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.1^/10

CVSS v2.0 : HIGH

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

Exploitability : 8.6 / Impact : 6.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

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

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:stackstorm:stackstorm:*:*:*:*:*:*:*:*

cpe:2.3:a:python:python:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-03-18 03:15

Updated : 2021-03-25 13:44

NVD link : CVE-2021-28667

Mitre link : CVE-2021-28667

CVE.ORG link : CVE-2021-28667

JSON object : View

Products Affected

stackstorm

stackstorm

python

python

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

{"id": "CVE-2021-28667", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.1, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2021-03-18T03:15:12.047", "references": [{"url": "https://stackstorm.com/2021/03/10/stackstorm-v3-4-1-security-fix/", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-835"}]}], "descriptions": [{"lang": "en", "value": "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)."}, {"lang": "es", "value": "StackStorm versiones anteriores a 3.4.1, en algunas situaciones, presenta un bucle infinito que consume toda la memoria disponible y el espacio en disco. Esto puede ocurrir si se usa Python versi\u00f3n 3.x, la configuraci\u00f3n regional no es utf-8 y se intenta registrar datos Unicode (a partir de un nombre de acci\u00f3n o regla)"}], "lastModified": "2021-03-25T13:44:17.310", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:stackstorm:stackstorm:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C4B2E62D-1A30-41EC-9D39-FD9A5CA9CF43", "versionEndExcluding": "3.4.1"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "28A4532F-92AA-4662-8F91-E99030C8E41D", "versionEndExcluding": "3.0.0"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}