CVE-2021-44747

A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Linux Security whereby the Fmlib component used in certain F-Secure products can crash while scanning fuzzed files. The exploit can be triggered remotely by an attacker. A successful attack will result in Denial-of-Service of the Anti-Virus engine.

CVSS v3 4.6 MEDIUM
CVSS v2.0 4.3 MEDIUM

4.6^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.1 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.f-secure.com/en/business/support-and-downloads/security-advisories	Vendor Advisory
https://www.f-secure.com/en/business/support-and-downloads/security-advisories	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:f-secure:atlant::::::::
	cpe:2.3:a:f-secure:elements_endpoint_protection::::::mac::*
	cpe:2.3:a:f-secure:internet_gatekeeper::::::::
	cpe:2.3:a:f-secure:linux_security::::::::
	cpe:2.3:a:f-secure:security_cloud::::::::

History

21 Nov 2024, 06:31

Type	Values Removed	Values Added
References	~~() https://www.f-secure.com/en/business/support-and-downloads/security-advisories - Vendor Advisory~~	() https://www.f-secure.com/en/business/support-and-downloads/security-advisories - Vendor Advisory
CVSS	v2 : ~~4.3~~ v3 : ~~6.5~~	v2 : 4.3 v3 : 4.6

Information

Published : 2022-03-01 12:15

Updated : 2024-11-21 06:31

NVD link : CVE-2021-44747

Mitre link : CVE-2021-44747

CVE.ORG link : CVE-2021-44747

JSON object : View

Products Affected

f-secure

internet_gatekeeper
security_cloud
elements_endpoint_protection
atlant
linux_security

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-44747", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Secondary", "source": "cve-notifications-us@f-secure.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.6, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.1}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2022-03-01T12:15:07.493", "references": [{"url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories", "tags": ["Vendor Advisory"], "source": "cve-notifications-us@f-secure.com"}, {"url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Linux Security whereby the Fmlib component used in certain F-Secure products can crash while scanning fuzzed files. The exploit can be triggered remotely by an attacker. A successful attack will result in Denial-of-Service of the Anti-Virus engine."}, {"lang": "es", "value": "Se ha detectado una vulnerabilidad de denegaci\u00f3n de servicio (DoS) en F-Secure Linux Security por la que el componente Fmlib usado en determinados productos de F-Secure puede bloquearse mientras son escaneados archivos fuzzed. La explotaci\u00f3n puede ser desencadenada remotamente por un atacante. Un ataque con \u00e9xito resultar\u00e1 en la Denegaci\u00f3n de Servicio del motor Antivirus."}], "lastModified": "2024-11-21T06:31:31.177", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:f-secure:atlant:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "57C8A204-70F5-449A-AB4F-A33823367B39", "versionEndExcluding": "2022-02-23_01"}, {"criteria": "cpe:2.3:a:f-secure:elements_endpoint_protection:*:*:*:*:*:mac:*:*", "vulnerable": true, "matchCriteriaId": "15D28175-A8B5-4B18-8FF2-DE953630DD6B", "versionEndExcluding": "2022-02-23_01"}, {"criteria": "cpe:2.3:a:f-secure:internet_gatekeeper:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "249DE15A-0756-4969-9228-ACC1BAC42FA5", "versionEndIncluding": "2022-02-23_01"}, {"criteria": "cpe:2.3:a:f-secure:linux_security:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FBEF97B2-9C51-4B51-AE1A-363572757604", "versionEndExcluding": "2022-02-23_01"}, {"criteria": "cpe:2.3:a:f-secure:security_cloud:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8E59B674-ADF0-49F2-A389-6AB0678C12B1", "versionEndExcluding": "2022-02-23_01"}], "operator": "OR"}]}], "sourceIdentifier": "cve-notifications-us@f-secure.com"}