CVE-2025-13470

{"id": "CVE-2025-13470", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-13470", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2025-11-21T17:35:25.938705Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "6504adb2-f5e9-4c9b-9eda-5e19c93bd9b3", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "6504adb2-f5e9-4c9b-9eda-5e19c93bd9b3", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.7, "Automatable": "YES", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:H/U:Red", "exploitMaturity": "PROOF_OF_CONCEPT", "providerUrgency": "RED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "HIGH", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "6504adb2-f5e9-4c9b-9eda-5e19c93bd9b3", "affectedData": [{"repo": "https://github.com/rnpgp/rnp", "vendor": "Ribose", "product": "RNP", "versions": [{"status": "affected", "version": "0.18.0"}], "defaultStatus": "unaffected"}]}], "published": "2025-11-21T17:15:50.473", "references": [{"url": "https://access.redhat.com/security/cve/cve-2025-13402", "source": "6504adb2-f5e9-4c9b-9eda-5e19c93bd9b3"}, {"url": "https://aur.archlinux.org/packages/rnp", "source": "6504adb2-f5e9-4c9b-9eda-5e19c93bd9b3"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2415863", "source": "6504adb2-f5e9-4c9b-9eda-5e19c93bd9b3"}, {"url": "https://github.com/rnpgp/rnp/commit/7bd9a8dc356aae756b40755be76d36205b6b161a", "source": "6504adb2-f5e9-4c9b-9eda-5e19c93bd9b3"}, {"url": "https://github.com/rnpgp/rnp/releases/tag/v0.18.1", "source": "6504adb2-f5e9-4c9b-9eda-5e19c93bd9b3"}, {"url": "https://launchpad.net/ubuntu/+source/rnp", "source": "6504adb2-f5e9-4c9b-9eda-5e19c93bd9b3"}, {"url": "https://open.ribose.com/advisories/ra-2025-11-20/", "source": "6504adb2-f5e9-4c9b-9eda-5e19c93bd9b3"}, {"url": "https://packages.gentoo.org/packages/dev-util/librnp", "source": "6504adb2-f5e9-4c9b-9eda-5e19c93bd9b3"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "6504adb2-f5e9-4c9b-9eda-5e19c93bd9b3", "description": [{"lang": "en", "value": "CWE-330"}]}], "descriptions": [{"lang": "en", "value": "In RNP version 0.18.0 a refactoring regression causes the symmetric \nsession key used for Public-Key Encrypted Session Key (PKESK) packets to\n be left uninitialized except for zeroing, resulting in it always being \nan all-zero byte array.\n\nAny data encrypted using public-key encryption \nin this release can be decrypted trivially by supplying an all-zero \nsession key, fully compromising confidentiality.\n\nThe vulnerability affects only public key encryption (PKESK packets).\u00a0 Passphrase-based encryption (SKESK packets) is not affected.\n\nRoot cause: Vulnerable session key buffer used in PKESK packet generation.\n\n\n\nThe defect was introduced in commit `7bd9a8dc356aae756b40755be76d36205b6b161a` where initialization \nlogic inside `encrypted_build_skesk()` only randomized the key for the \nSKESK path and omitted it for the PKESK path."}, {"lang": "es", "value": "En la versi\u00f3n 0.18.0 de RNP, una regresi\u00f3n de refactorizaci\u00f3n causa que la clave de sesi\u00f3n sim\u00e9trica utilizada para los paquetes de Clave de Sesi\u00f3n Cifrada con Clave P\u00fablica (PKESK) se deje sin inicializar, excepto por el borrado a cero, lo que resulta en que siempre sea un array de bytes todo a cero.\n\nCualquier dato cifrado utilizando cifrado de clave p\u00fablica en esta versi\u00f3n puede ser descifrado trivialmente al proporcionar una clave de sesi\u00f3n todo a cero, comprometiendo completamente la confidencialidad.\n\nLa vulnerabilidad afecta solo al cifrado de clave p\u00fablica (paquetes PKESK). El cifrado basado en frase de contrase\u00f1a (paquetes SKESK) no se ve afectado.\n\nCausa ra\u00edz: B\u00fafer de clave de sesi\u00f3n vulnerable utilizado en la generaci\u00f3n de paquetes PKESK.\n\nEl defecto fue introducido en el commit '7bd9a8dc356aae756b40755be76d36205b6b161a' donde la l\u00f3gica de inicializaci\u00f3n dentro de 'encrypted_build_skesk()' solo aleatoriz\u00f3 la clave para la ruta SKESK y la omiti\u00f3 para la ruta PKESK."}], "lastModified": "2026-10-08T10:10:00.227", "sourceIdentifier": "6504adb2-f5e9-4c9b-9eda-5e19c93bd9b3"}