CVE-2023-50257

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Even with the application of SROS2, due to the issue where the data (`p[UD]`) and `guid` values used to disconnect between nodes are not encrypted, a vulnerability has been discovered where a malicious attacker can forcibly disconnect a Subscriber and can deny a Subscriber attempting to connect. Afterwards, if the attacker sends the packet for disconnecting, which is data (`p[UD]`), to the Global Data Space (`239.255.0.1:7400`) using the said Publisher ID, all the Subscribers (Listeners) connected to the Publisher (Talker) will not receive any data and their connection will be disconnected. Moreover, if this disconnection packet is sent continuously, the Subscribers (Listeners) trying to connect will not be able to do so. Since the initial commit of the `SecurityManager.cpp` code (`init`, `on_process_handshake`) on Nov 8, 2016, the Disconnect Vulnerability in RTPS Packets Used by SROS2 has been present prior to versions 2.13.0, 2.12.2, 2.11.3, 2.10.3, and 2.6.7."}], "source": {"advisory": "GHSA-v5r6-8mvh-cp98", "discovery": "UNKNOWN"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T22:16:46.301Z"}, "title": "CVE Program Container", "references": [{"name": "https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-v5r6-8mvh-cp98", "tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-v5r6-8mvh-cp98"}, {"name": "https://github.com/eProsima/Fast-DDS/commit/072cbc9d6a71d869a5cbed1873c0cdd6cf67cda4", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/eProsima/Fast-DDS/commit/072cbc9d6a71d869a5cbed1873c0cdd6cf67cda4"}, {"name": "https://github.com/eProsima/Fast-DDS/commit/e1869863c06db7fbb366ae53760fbe6e754be026", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/eProsima/Fast-DDS/commit/e1869863c06db7fbb366ae53760fbe6e754be026"}, {"name": "https://github.com/eProsima/Fast-DDS/commit/f07a0213e655202188840b864be4438ae1067a13", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/eProsima/Fast-DDS/commit/f07a0213e655202188840b864be4438ae1067a13"}, {"name": "https://github.com/eProsima/Fast-DDS/commit/f2e5ceae8fbea0a6c9445a366faaca0b98a8ef86", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/eProsima/Fast-DDS/commit/f2e5ceae8fbea0a6c9445a366faaca0b98a8ef86"}]}, {"affected": [{"vendor": "eprosima", "product": "fast_dds", "cpes": ["cpe:2.3:a:eprosima:fast_dds:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThan": "2.13.0", "versionType": "custom"}, {"version": "0", "status": "affected", "lessThan": "2.12.2", "versionType": "custom"}, {"version": "0", "status": "affected", "lessThan": "2.11.3", "versionType": "custom"}, {"version": "0", "status": "affected", "lessThan": "2.10.3", "versionType": "custom"}, {"version": "0", "status": "affected", "lessThan": "2.6.7", "versionType": "custom"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-08-14T13:51:37.335841Z", "id": "CVE-2023-50257", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-08-14T13:54:54.506Z"}}]}}

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Even with the application of SROS2, due to the issue where the data (`p[UD]`) and `guid` values used to disconnect between nodes are not encrypted, a vulnerability has been discovered where a malicious attacker can forcibly disconnect a Subscriber and can deny a Subscriber attempting to connect. Afterwards, if the attacker sends the packet for disconnecting, which is data (`p[UD]`), to the Global Data Space (`239.255.0.1:7400`) using the said Publisher ID, all the Subscribers (Listeners) connected to the Publisher (Talker) will not receive any data and their connection will be disconnected. Moreover, if this disconnection packet is sent continuously, the Subscribers (Listeners) trying to connect will not be able to do so. Since the initial commit of the `SecurityManager.cpp` code (`init`, `on_process_handshake`) on Nov 8, 2016, the Disconnect Vulnerability in RTPS Packets Used by SROS2 has been present prior to versions 2.13.0, 2.12.2, 2.11.3, 2.10.3, and 2.6.7."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-284", "description": "CWE-284: Improper Access Control"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2024-02-19T19:22:45.526Z"}}}, "cveMetadata": {"cveId": "CVE-2023-50257", "state": "PUBLISHED", "dateUpdated": "2024-08-14T13:54:54.506Z", "dateReserved": "2023-12-05T20:42:59.378Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2024-02-19T19:22:45.526Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.1"}

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Even with the application of SROS2, due to the issue where the data (`p[UD]`) and `guid` values used to disconnect between nodes are not encrypted, a vulnerability has been discovered where a malicious attacker can forcibly disconnect a Subscriber and can deny a Subscriber attempting to connect. Afterwards, if the attacker sends the packet for disconnecting, which is data (`p[UD]`), to the Global Data Space (`239.255.0.1:7400`) using the said Publisher ID, all the Subscribers (Listeners) connected to the Publisher (Talker) will not receive any data and their connection will be disconnected. Moreover, if this disconnection packet is sent continuously, the Subscribers (Listeners) trying to connect will not be able to do so. Since the initial commit of the `SecurityManager.cpp` code (`init`, `on_process_handshake`) on Nov 8, 2016, the Disconnect Vulnerability in RTPS Packets Used by SROS2 has been present prior to versions 2.13.0, 2.12.2, 2.11.3, 2.10.3, and 2.6.7."}, {"lang": "es", "value": "eProsima Fast DDS (anteriormente Fast RTPS) es una implementaci\u00f3n en C++ del est\u00e1ndar del Servicio de distribuci\u00f3n de datos del Object Management Group. Incluso con la aplicaci\u00f3n de SROS2, debido al problema donde los datos (`p[UD]`) y los valores `guid` utilizados para desconectar entre nodos no est\u00e1n cifrados, se ha descubierto una vulnerabilidad en la que un atacante malintencionado puede desconectar por la fuerza a un suscriptor y puede negarle a un suscriptor que intente conectarse. Posteriormente, si el atacante env\u00eda el paquete para desconectarse, que son datos (`p[UD]`), al Espacio de Datos Global (`239.255.0.1:7400`) usando dicho ID de Editor, todos los Suscriptores (Oyentes) conectados al Publicador (Hablador) no recibir\u00e1 ning\u00fan dato y su conexi\u00f3n se desconectar\u00e1. Adem\u00e1s, si este paquete de desconexi\u00f3n se env\u00eda continuamente, los suscriptores (Oyentes) que intenten conectarse no podr\u00e1n hacerlo. Desde el commit inicial del c\u00f3digo `SecurityManager.cpp` (`init`, `on_process_handshake`) el 8 de noviembre de 2016, la vulnerabilidad de desconexi\u00f3n en los paquetes RTPS utilizados por SROS2 ha estado presente antes de las versiones 2.13.0, 2.12.2, 2.11.3, 2.10.3 y 2.6.7."}], "id": "CVE-2023-50257", "lastModified": "2026-06-17T06:39:23.850", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-50257", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-08-14T13:51:37.335841Z", "version": "2.0.3"}}]}, "published": "2024-02-19T20:15:45.310", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/eProsima/Fast-DDS/commit/072cbc9d6a71d869a5cbed1873c0cdd6cf67cda4"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/eProsima/Fast-DDS/commit/e1869863c06db7fbb366ae53760fbe6e754be026"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/eProsima/Fast-DDS/commit/f07a0213e655202188840b864be4438ae1067a13"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/eProsima/Fast-DDS/commit/f2e5ceae8fbea0a6c9445a366faaca0b98a8ef86"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-v5r6-8mvh-cp98"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/eProsima/Fast-DDS/commit/072cbc9d6a71d869a5cbed1873c0cdd6cf67cda4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/eProsima/Fast-DDS/commit/e1869863c06db7fbb366ae53760fbe6e754be026"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/eProsima/Fast-DDS/commit/f07a0213e655202188840b864be4438ae1067a13"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/eProsima/Fast-DDS/commit/f2e5ceae8fbea0a6c9445a366faaca0b98a8ef86"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/eProsima/Fast-DDS/security/advisories/GHSA-v5r6-8mvh-cp98"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"created": "2025-07-12T22:44:43.957724+00:00", "updated": "2025-07-12T22:44:43.957781+00:00", "vendors": ["eprosima", "eprosima$PRODUCT$fast_dds"]}