CVE-2023-22325

A denial of service vulnerability exists in the DCRegister DDNS_RPC_MAX_RECV_SIZE functionality of SoftEther VPN 4.41-9782-beta, 5.01.9674 and 5.02. A specially crafted network packet can lead to denial of service. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.

CVSS v3 5.9 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1736	Exploit Third Party Advisory
https://www.softether.org/9-about/News/904-SEVPN202301	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:softether:vpn:4.41-9782:beta::::::
	cpe:2.3:a:softether:vpn:5.01.9674:::::::*
	cpe:2.3:a:softether:vpn:5.02:::::::*

History

No history.

Information

Published : 2023-10-12 16:15

Updated : 2023-10-18 17:12

NVD link : CVE-2023-22325

Mitre link : CVE-2023-22325

CVE.ORG link : CVE-2023-22325

JSON object : View

Products Affected

softether

vpn

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

{"id": "CVE-2023-22325", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}, {"type": "Secondary", "source": "talos-cna@cisco.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "published": "2023-10-12T16:15:10.283", "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1736", "tags": ["Exploit", "Third Party Advisory"], "source": "talos-cna@cisco.com"}, {"url": "https://www.softether.org/9-about/News/904-SEVPN202301", "tags": ["Patch", "Vendor Advisory"], "source": "talos-cna@cisco.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-835"}]}, {"type": "Secondary", "source": "talos-cna@cisco.com", "description": [{"lang": "en", "value": "CWE-835"}]}], "descriptions": [{"lang": "en", "value": "A denial of service vulnerability exists in the DCRegister DDNS_RPC_MAX_RECV_SIZE functionality of SoftEther VPN 4.41-9782-beta, 5.01.9674 and 5.02. A specially crafted network packet can lead to denial of service. An attacker can perform a man-in-the-middle attack to trigger this vulnerability."}, {"lang": "es", "value": "Existe una vulnerabilidad de denegaci\u00f3n de servicio en la funcionalidad DCRegister DDNS_RPC_MAX_RECV_SIZE de SoftEther VPN 4.41-9782-beta, 5.01.9674 y 5.02. Un paquete de red especialmente manipulado puede provocar una Denegaci\u00f3n de Servicio (DoS). Un atacante puede realizar un ataque de intermediario para desencadenar esta vulnerabilidad."}], "lastModified": "2023-10-18T17:12:38.933", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:softether:vpn:4.41-9782:beta:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "79C47EE5-1B55-4FDD-A5B5-E10FF3337100"}, {"criteria": "cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5CF5CF13-B22F-494B-BDC0-B59371979251"}, {"criteria": "cpe:2.3:a:softether:vpn:5.02:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D21F370B-D9F2-43E8-8E45-0EA74A3C9D4B"}], "operator": "OR"}]}], "sourceIdentifier": "talos-cna@cisco.com"}