CVE-2023-45660

Nextcloud mail is an email app for the Nextcloud home server platform. In affected versions a missing check of origin, target and cookies allows for an attacker to abuse the proxy endpoint to denial of service a third server. It is recommended that the Nextcloud Mail is upgraded to 2.2.8 or 3.3.0. There are no known workarounds for this vulnerability.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/nextcloud/mail/pull/8459	Issue Tracking Patch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8j9x-fmww-qr37	Vendor Advisory
https://hackerone.com/reports/1895874	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nextcloud:mail::::::::
	cpe:2.3:a:nextcloud:mail::::::::

History

20 Oct 2023, 12:18

Type	Values Removed	Values Added
First Time		Nextcloud Nextcloud mail
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 4.3
CPE		cpe:2.3:a:nextcloud:mail::::::::
References	~~(MISC) https://github.com/nextcloud/mail/pull/8459 -~~	(MISC) https://github.com/nextcloud/mail/pull/8459 - Issue Tracking, Patch
References	~~(MISC) https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8j9x-fmww-qr37 -~~	(MISC) https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8j9x-fmww-qr37 - Vendor Advisory
References	~~(MISC) https://hackerone.com/reports/1895874 -~~	(MISC) https://hackerone.com/reports/1895874 - Third Party Advisory

16 Oct 2023, 19:24

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-10-16 19:15

Updated : 2024-02-28 20:33

NVD link : CVE-2023-45660

Mitre link : CVE-2023-45660

CVE.ORG link : CVE-2023-45660

JSON object : View

Products Affected

nextcloud

mail

CWE

CWE-918

Server-Side Request Forgery (SSRF)

{"id": "CVE-2023-45660", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "published": "2023-10-16T19:15:11.060", "references": [{"url": "https://github.com/nextcloud/mail/pull/8459", "tags": ["Issue Tracking", "Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8j9x-fmww-qr37", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://hackerone.com/reports/1895874", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-918"}]}], "descriptions": [{"lang": "en", "value": "Nextcloud mail is an email app for the Nextcloud home server platform. In affected versions a missing check of origin, target and cookies allows for an attacker to abuse the proxy endpoint to denial of service a third server. It is recommended that the Nextcloud Mail is upgraded to 2.2.8 or 3.3.0. There are no known workarounds for this vulnerability."}, {"lang": "es", "value": "Nextcloud mail es una aplicaci\u00f3n de correo electr\u00f3nico para la plataforma de servidor dom\u00e9stico Nextcloud. En las versiones afectadas, la falta de verificaci\u00f3n de origen, destino y cookies permite a un atacante abusar del endpoint del proxy para negar el servicio a un tercer servidor. Se recomienda actualizar Nextcloud Mail a 2.2.8 o 3.3.0. No se conocen workarounds para esta vulnerabilidad."}], "lastModified": "2023-10-20T12:18:07.003", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:mail:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C39C0C2A-42B6-406A-83E6-F27F6D7A51EA", "versionEndExcluding": "2.2.8", "versionStartIncluding": "2.2.0"}, {"criteria": "cpe:2.3:a:nextcloud:mail:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "98F3704F-323A-4BC4-BC5F-259C8648CB97", "versionEndExcluding": "3.3.0", "versionStartIncluding": "3.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}