{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2023-35838", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-02T16:30:45.371Z", "dateReserved": "2023-06-18T00:00:00", "datePublished": "2023-08-09T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-10-31T08:06:29.358997"}, "descriptions": [{"lang": "en", "value": "The WireGuard client 0.5.3 on Windows insecurely configures the operating system and firewall such that traffic to a local network that uses non-RFC1918 IP addresses is blocked. This allows an adversary to trick the victim into blocking IP traffic to selected IP addresses and services even while the VPN is enabled. NOTE: the tunnelcrack.mathyvanhoef.com website uses this CVE ID to refer more generally to \"LocalNet attack resulting in the blocking of traffic\" rather than to only WireGuard."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://wireguard.com"}, {"url": "https://tunnelcrack.mathyvanhoef.com/details.html"}, {"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0015"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T16:30:45.371Z"}, "title": "CVE Program Container", "references": [{"url": "https://wireguard.com", "tags": ["x_transferred"]}, {"url": "https://tunnelcrack.mathyvanhoef.com/details.html", "tags": ["x_transferred"]}, {"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0015", "tags": ["x_transferred"]}]}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:wireguard:wireguard:0.5.3:*:*:*:*:*:*:*", "matchCriteriaId": "20B2F68C-BAD1-4CA0-88B2-9AD317C88BC4", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The WireGuard client 0.5.3 on Windows insecurely configures the operating system and firewall such that traffic to a local network that uses non-RFC1918 IP addresses is blocked. This allows an adversary to trick the victim into blocking IP traffic to selected IP addresses and services even while the VPN is enabled. NOTE: the tunnelcrack.mathyvanhoef.com website uses this CVE ID to refer more generally to \"LocalNet attack resulting in the blocking of traffic\" rather than to only WireGuard."}], "id": "CVE-2023-35838", "lastModified": "2023-10-31T09:15:08.123", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-08-09T23:15:10.007", "references": [{"source": "cve@mitre.org", "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0015"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://tunnelcrack.mathyvanhoef.com/details.html"}, {"source": "cve@mitre.org", "tags": ["Product"], "url": "https://wireguard.com"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-610"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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