CVE-2021-36724

ForeScout - SecureConnector Local Service DoS - A low privilaged user which doesn't have permissions to shutdown the secure connector service writes a large amount of characters in the installationPath. This will cause the buffer to overflow and override the stack cookie causing the service to crash.

CVSS v3 6.1 MEDIUM
CVSS v2.0 2.1 LOW

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 4.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

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

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.gov.il/en/departments/faq/cve_advisories	Third Party Advisory
https://www.gov.il/en/departments/faq/cve_advisories	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:forescout:secureconnector:11.0.4.1024:*:*:*:*:*:*:*

History

21 Nov 2024, 06:13

Type	Values Removed	Values Added
CVSS	v2 : ~~2.1~~ v3 : ~~5.5~~	v2 : 2.1 v3 : 6.1
References	~~() https://www.gov.il/en/departments/faq/cve_advisories - Third Party Advisory~~	() https://www.gov.il/en/departments/faq/cve_advisories - Third Party Advisory

10 Jan 2022, 17:36

Type	Values Removed	Values Added
CPE		cpe:2.3:a:forescout:secureconnector:11.0.4.1024:::::::*
References	~~(CONFIRM) https://www.gov.il/en/departments/faq/cve_advisories -~~	(CONFIRM) https://www.gov.il/en/departments/faq/cve_advisories - Third Party Advisory
CWE		CWE-120
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 2.1 v3 : 5.5

29 Dec 2021, 18:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-12-29 18:15

Updated : 2024-11-21 06:13

NVD link : CVE-2021-36724

Mitre link : CVE-2021-36724

CVE.ORG link : CVE-2021-36724

JSON object : View

Products Affected

forescout

secureconnector

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

{"id": "CVE-2021-36724", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 2.1, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "cna@cyber.gov.il", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 4.2, "exploitabilityScore": 1.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2021-12-29T18:15:07.437", "references": [{"url": "https://www.gov.il/en/departments/faq/cve_advisories", "tags": ["Third Party Advisory"], "source": "cna@cyber.gov.il"}, {"url": "https://www.gov.il/en/departments/faq/cve_advisories", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-120"}]}], "descriptions": [{"lang": "en", "value": "ForeScout - SecureConnector Local Service DoS - A low privilaged user which doesn't have permissions to shutdown the secure connector service writes a large amount of characters in the installationPath. This will cause the buffer to overflow and override the stack cookie causing the service to crash."}, {"lang": "es", "value": "ForeScout - SecureConnector Local Service DoS - Un usuario poco privilegiado que no tiene permisos para cerrar el servicio del conector seguro escribe una gran cantidad de caracteres en installationPath. Esto causar\u00e1 el desbordamiento del b\u00fafer y se anule la cookie de la pila causando que el servicio se bloquee"}], "lastModified": "2024-11-21T06:13:59.047", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:forescout:secureconnector:11.0.4.1024:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AB029BA1-F7DC-42E3-8E5D-6263D8F4E1D3"}], "operator": "OR"}]}], "sourceIdentifier": "cna@cyber.gov.il"}