CVE-2020-9399

The Avast AV parsing engine allows virus-detection bypass via a crafted ZIP archive. This affects versions before 12 definitions 200114-0 of Antivirus Pro, Antivirus Pro Plus, and Antivirus for Linux.

CVSS v3 5.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://blog.zoller.lu/p/tzo-23-2020-avast-generic-archive.html	Third Party Advisory
https://seclists.org/fulldisclosure/2020/Feb/35	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:avast:antivirus_for_linux::::::::
	cpe:2.3:a:avast:antivirus_pro::::::::
	cpe:2.3:a:avast:antivirus_pro_plus::::::::

History

No history.

Information

Published : 2020-02-28 14:15

Updated : 2023-12-10 13:13

NVD link : CVE-2020-9399

Mitre link : CVE-2020-9399

CVE.ORG link : CVE-2020-9399

JSON object : View

Products Affected

avast

antivirus_pro
antivirus_for_linux
antivirus_pro_plus

CWE

CWE-436

Interpretation Conflict

{"id": "CVE-2020-9399", "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:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"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:N/UI:R/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2020-02-28T14:15:10.263", "references": [{"url": "https://blog.zoller.lu/p/tzo-23-2020-avast-generic-archive.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://seclists.org/fulldisclosure/2020/Feb/35", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-436"}]}], "descriptions": [{"lang": "en", "value": "The Avast AV parsing engine allows virus-detection bypass via a crafted ZIP archive. This affects versions before 12 definitions 200114-0 of Antivirus Pro, Antivirus Pro Plus, and Antivirus for Linux."}, {"lang": "es", "value": "El motor de an\u00e1lisis de Avast AV permite la detecci\u00f3n de virus por medio de un archivo ZIP dise\u00f1ado. Esto afecta a las versiones anteriores a 12 definiciones de 200114-0 de Antivirus Pro, Antivirus Pro Plus y Antivirus para Linux."}], "lastModified": "2021-07-21T11:39:23.747", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:avast:antivirus_for_linux:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2D67C721-9B5B-4753-A76D-1206D222B5C7", "versionEndExcluding": "12.0"}, {"criteria": "cpe:2.3:a:avast:antivirus_pro:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C89FC3E4-F88F-4537-96E1-EF5F0C72B289", "versionEndExcluding": "12.0"}, {"criteria": "cpe:2.3:a:avast:antivirus_pro_plus:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "404A3BDE-494C-4F0A-B267-777CD16D18B7", "versionEndExcluding": "12.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}