{"containers": {"cna": {"affected": [{"product": "VPN", "vendor": "Red Hat", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability was discovered in Linux, FreeBSD, OpenBSD, MacOS, iOS, and Android that allows a malicious access point, or an adjacent user, to determine if a connected user is using a VPN, make positive inferences about the websites they are visiting, and determine the correct sequence and acknowledgement numbers in use, allowing the bad actor to inject data into the TCP stream. This provides everything that is needed for an attacker to hijack active connections inside the VPN tunnel."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-300", "description": "CWE-300", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-07-05T14:06:11", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14899"}, {"tags": ["x_refsource_MISC"], "url": "https://openvpn.net/security-advisory/no-flaws-found-in-openvpn-software/"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://support.apple.com/kb/HT211288"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://support.apple.com/kb/HT211290"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://support.apple.com/kb/HT211289"}, {"name": "20200717 APPLE-SA-2020-07-15-3 tvOS 13.4.8", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://seclists.org/fulldisclosure/2020/Jul/25"}, {"name": "20200717 APPLE-SA-2020-07-15-2 macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://seclists.org/fulldisclosure/2020/Jul/24"}, {"name": "20200717 APPLE-SA-2020-07-15-1 iOS 13.6 and iPadOS 13.6", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://seclists.org/fulldisclosure/2020/Jul/23"}, {"name": "[oss-security] 20200813 Blind in/on-path attacks against VPN-tunneled connections (CVE-2019-14899 follow-up)", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2020/08/13/2"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://support.apple.com/kb/HT211850"}, {"name": "[oss-security] 20201007 Re: [CVE-2019-14899] Inferring and hijacking VPN-tunneled TCP connections.", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2020/10/07/3"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://support.apple.com/kb/HT211931"}, {"name": "20201115 APPLE-SA-2020-11-13-3 Additional information for APPLE-SA-2020-09-16-1 iOS 14.0 and iPadOS 14.0", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://seclists.org/fulldisclosure/2020/Nov/20"}, {"name": "20201215 APPLE-SA-2020-12-14-4 Additional information for APPLE-SA-2020-11-13-1 macOS Big Sur 11.0.1", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://seclists.org/fulldisclosure/2020/Dec/32"}, {"name": "[oss-security] 20210704 Re: Blind in/on-path attacks against VPN-tunneled connections (CVE-2019-14899 follow-up)", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2021/07/05/1"}]}}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2019-14899", "datePublished": "2019-12-11T14:45:12", "dateReserved": "2019-08-10T00:00:00", "dateUpdated": "2021-07-05T14:06:11", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

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This provides everything that is needed for an attacker to hijack active connections inside the VPN tunnel."}, {"lang": "es", "value": "Se detect\u00f3 una vulnerabilidad en Linux, FreeBSD, OpenBSD, MacOS, iOS y Android, que permite a un punto de acceso malicioso, o un usuario adyacente, determinar si un usuario conectado est\u00e1 utilizando una VPN, hacer inferencias positivas sobre los sitios web que est\u00e1 visitando, y determinar la secuencia correcta y los n\u00fameros de reconocimiento en uso, permitiendo al actor malo inyectar datos en la secuencia TCP. 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