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Starting in version 5.0-rc-1 and prior to versions 14.10.19, 15.5.4, and 15.9-rc-1, it is possible to access the hash of a password by using the diff feature of the history whenever the object storing the password is deleted. Using that vulnerability it's possible for an attacker to have access to the hash password of a user if they have rights to edit the users' page. With the default right scheme in XWiki this vulnerability is normally prevented on user profiles, except by users with Admin rights. Note that this vulnerability also impacts any extensions that might use passwords stored in xobjects: for those usecases it depends on the right of those pages. There is currently no way to be 100% sure that this vulnerability has been exploited, as an attacker with enough privilege could have deleted the revision where the xobject was deleted after rolling-back the deletion. But again, this operation requires high privileges on the target page (Admin right). A page with a user password xobject which have in its history a revision where the object has been deleted should be considered at risk and the password should be changed there. a diff, to ensure it's not coming from a password field. As another mitigation, admins should ensure that the user pages are properly protected: the edit right shouldn't be allowed for other users than Admin and owner of the profile (which is the default right). 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A page with a user password xobject which have in its history a revision where the object has been deleted should be considered at risk and the password should be changed there. a diff, to ensure it's not coming from a password field. As another mitigation, admins should ensure that the user pages are properly protected: the edit right shouldn't be allowed for other users than Admin and owner of the profile (which is the default right). 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{"descriptions": [{"lang": "en", "value": "XWiki Platform is a generic wiki platform. Starting in version 5.0-rc-1 and prior to versions 14.10.19, 15.5.4, and 15.9-rc-1, it is possible to access the hash of a password by using the diff feature of the history whenever the object storing the password is deleted. Using that vulnerability it's possible for an attacker to have access to the hash password of a user if they have rights to edit the users' page. With the default right scheme in XWiki this vulnerability is normally prevented on user profiles, except by users with Admin rights. Note that this vulnerability also impacts any extensions that might use passwords stored in xobjects: for those usecases it depends on the right of those pages. There is currently no way to be 100% sure that this vulnerability has been exploited, as an attacker with enough privilege could have deleted the revision where the xobject was deleted after rolling-back the deletion. But again, this operation requires high privileges on the target page (Admin right). A page with a user password xobject which have in its history a revision where the object has been deleted should be considered at risk and the password should be changed there. a diff, to ensure it's not coming from a password field. As another mitigation, admins should ensure that the user pages are properly protected: the edit right shouldn't be allowed for other users than Admin and owner of the profile (which is the default right). There is not much workaround possible for a privileged user other than upgrading XWiki."}, {"lang": "es", "value": "XWiki Platform es una plataforma wiki gen\u00e9rica. A partir de la versi\u00f3n 5.0-rc-1 y antes de las versiones 14.10.19, 15.5.4 y 15.9-rc-1, es posible acceder al hash de una contrase\u00f1a utilizando la funci\u00f3n diff del historial siempre que se elimine el objeto que almacena la contrase\u00f1a. Utilizando esa vulnerabilidad, es posible que un atacante tenga acceso al hash de la contrase\u00f1a de un usuario si tiene derechos para editar la p\u00e1gina del usuario. Con el esquema de derechos predeterminado en XWiki, esta vulnerabilidad normalmente se evita en los perfiles de usuario, excepto en el caso de los usuarios con derechos de administrador. Tenga en cuenta que esta vulnerabilidad tambi\u00e9n afecta a cualquier extensi\u00f3n que pueda utilizar contrase\u00f1as almacenadas en xobjects: para esos casos de uso, depende de los derechos de esas p\u00e1ginas. Actualmente no hay forma de estar 100% seguro de que esta vulnerabilidad haya sido explotada, ya que un atacante con suficientes privilegios podr\u00eda haber eliminado la revisi\u00f3n en la que se elimin\u00f3 el xobject despu\u00e9s de revertir la eliminaci\u00f3n. Pero, de nuevo, esta operaci\u00f3n requiere privilegios elevados en la p\u00e1gina de destino (derecho de administrador). Una p\u00e1gina con una contrase\u00f1a de usuario xobject que tenga en su historial una revisi\u00f3n en la que se haya eliminado el objeto debe considerarse en riesgo y la contrase\u00f1a debe cambiarse all\u00ed. un diff, para asegurarse de que no provenga de un campo de contrase\u00f1a. Como otra mitigaci\u00f3n, los administradores deben asegurarse de que las p\u00e1ginas de usuario est\u00e9n protegidas adecuadamente: el derecho de edici\u00f3n no debe permitirse a otros usuarios que no sean el administrador y el propietario del perfil (que es el derecho predeterminado). No hay muchas workarounds posibles para un usuario privilegiado aparte de actualizar XWiki."}], "id": "CVE-2024-31464", "lastModified": "2024-11-21T09:13:34.883", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 4.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2024-04-10T19:15:49.413", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/xwiki/xwiki-platform/commit/9075668a4135cce114ef2a4b72eba3161a9e94c4"}, {"source": "security-advisories@github.com", "url": "https://github.com/xwiki/xwiki-platform/commit/955fb097e02a2a7153f527522ee9eef42447e5d7"}, {"source": "security-advisories@github.com", "url": "https://github.com/xwiki/xwiki-platform/commit/f1eaec1e512220fabd970d053c627e435a1652cf"}, {"source": "security-advisories@github.com", "url": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-v782-xr4w-3vqx"}, {"source": "security-advisories@github.com", "url": "https://jira.xwiki.org/browse/XWIKI-19948"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/xwiki/xwiki-platform/commit/9075668a4135cce114ef2a4b72eba3161a9e94c4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/xwiki/xwiki-platform/commit/955fb097e02a2a7153f527522ee9eef42447e5d7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/xwiki/xwiki-platform/commit/f1eaec1e512220fabd970d053c627e435a1652cf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-v782-xr4w-3vqx"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://jira.xwiki.org/browse/XWIKI-19948"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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