CVE-2020-11446

ESET Antivirus and Antispyware Module module 1553 through 1560 allows a user with limited access rights to create hard links in some ESET directories and then force the product to write through these links into files that would normally not be write-able by the user, thus achieving privilege escalation.

CVSS v3 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://support.eset.com/en/ca7489-local-privilege-escalation-vulnerability-fixed-in-eset-products-for-windows	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:eset:antivirus_and_antispyware::::::::
	cpe:2.3:a:eset:endpoint_antivirus:-:::::-::
	cpe:2.3:a:eset:endpoint_security:-:::::::*
	cpe:2.3:a:eset:file_security:-:::::windows_server::
	cpe:2.3:a:eset:internet_security:-:::::::*
	cpe:2.3:a:eset:mail_security:-:::::domino::
	cpe:2.3:a:eset:mail_security:-:::::exchange_server::
	cpe:2.3:a:eset:mail_security:-:::::kerio::
	cpe:2.3:a:eset:mail_security:-:::::sharepoint_server::
	cpe:2.3:a:eset:nod32_antivirus:-:::::::*
	cpe:2.3:a:eset:nod32_antivirus:-::::business:::
	cpe:2.3:a:eset:smart_security:-::::-:::
	cpe:2.3:a:eset:smart_security:-::::business:::
	cpe:2.3:a:eset:smart_security:-::::premium:::

History

No history.

Information

Published : 2020-04-29 14:15

Updated : 2024-02-28 17:47

NVD link : CVE-2020-11446

Mitre link : CVE-2020-11446

CVE.ORG link : CVE-2020-11446

JSON object : View

Products Affected

eset

smart_security
nod32_antivirus
file_security
endpoint_security
antivirus_and_antispyware
internet_security
mail_security
endpoint_antivirus

CWE

CWE-59

Improper Link Resolution Before File Access ('Link Following')

{"id": "CVE-2020-11446", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2020-04-29T14:15:17.607", "references": [{"url": "https://support.eset.com/en/ca7489-local-privilege-escalation-vulnerability-fixed-in-eset-products-for-windows", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-59"}]}], "descriptions": [{"lang": "en", "value": "ESET Antivirus and Antispyware Module module 1553 through 1560 allows a user with limited access rights to create hard links in some ESET directories and then force the product to write through these links into files that would normally not be write-able by the user, thus achieving privilege escalation."}, {"lang": "es", "value": "Los m\u00f3dulos 1553 hasta 1560 de ESET Antivirus y Antispyware Module, permite a un usuario con derechos de acceso limitados crear enlaces f\u00edsicos en algunos directorios de ESET y luego forzar al producto a escribir por medio de estos enlaces en archivos que normalmente no podr\u00edan ser escritos por el usuario, logrando as\u00ed una escalada de privilegios."}], "lastModified": "2021-07-21T11:39:23.747", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:eset:antivirus_and_antispyware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CBC3B9B3-1446-4630-88FE-65D41B1D077D", "versionEndIncluding": "1560", "versionStartIncluding": "1553"}, {"criteria": "cpe:2.3:a:eset:endpoint_antivirus:-:*:*:*:*:-:*:*", "vulnerable": true, "matchCriteriaId": "2B76C798-A8F7-4705-B85A-98CE4C44AC53"}, {"criteria": "cpe:2.3:a:eset:endpoint_security:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "81593DEE-54D7-49D5-9AE6-20B7E2B0AF8F"}, {"criteria": "cpe:2.3:a:eset:file_security:-:*:*:*:*:windows_server:*:*", "vulnerable": true, "matchCriteriaId": "EDA61743-424D-40C9-ADD5-25AF8786BB0E"}, {"criteria": "cpe:2.3:a:eset:internet_security:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F2CAD248-1F32-4459-A530-8706E334C67F"}, {"criteria": "cpe:2.3:a:eset:mail_security:-:*:*:*:*:domino:*:*", "vulnerable": true, "matchCriteriaId": "5043B5B1-38B2-4621-B738-A79E5DF8D98E"}, {"criteria": "cpe:2.3:a:eset:mail_security:-:*:*:*:*:exchange_server:*:*", "vulnerable": true, "matchCriteriaId": "DE40A56E-EBC0-43C8-85FB-868802B4817F"}, {"criteria": "cpe:2.3:a:eset:mail_security:-:*:*:*:*:kerio:*:*", "vulnerable": true, "matchCriteriaId": "B322B8F3-DD12-4177-9DDF-BCFCD39DB12A"}, {"criteria": "cpe:2.3:a:eset:mail_security:-:*:*:*:*:sharepoint_server:*:*", "vulnerable": true, "matchCriteriaId": "EB4668BB-DE5D-443B-9A76-353688EE919B"}, {"criteria": "cpe:2.3:a:eset:nod32_antivirus:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6253FAFB-0AE6-494A-950D-EB0EB15E982C"}, {"criteria": "cpe:2.3:a:eset:nod32_antivirus:-:*:*:*:business:*:*:*", "vulnerable": true, "matchCriteriaId": "12E15271-D518-48E1-AE47-3080A748E131"}, {"criteria": "cpe:2.3:a:eset:smart_security:-:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "CE29DD0C-648B-4B6F-B080-B350E8210B4D"}, {"criteria": "cpe:2.3:a:eset:smart_security:-:*:*:*:business:*:*:*", "vulnerable": true, "matchCriteriaId": "38FD5027-F4B6-4398-B93A-DDF0FFC74386"}, {"criteria": "cpe:2.3:a:eset:smart_security:-:*:*:*:premium:*:*:*", "vulnerable": true, "matchCriteriaId": "375F46B4-9FDF-48FB-935A-8BB6FEF5221A"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}