CVE-2024-29069

{"id": "CVE-2024-29069", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.3, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.3}, {"type": "Secondary", "source": "security@ubuntu.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.8, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 1.3}]}, "published": "2024-07-25T20:15:04.483", "references": [{"url": "https://github.com/snapcore/snapd/pull/13682", "tags": ["Issue Tracking", "Patch"], "source": "security@ubuntu.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-59"}]}, {"type": "Secondary", "source": "security@ubuntu.com", "description": [{"lang": "en", "value": "CWE-610"}]}], "descriptions": [{"lang": "en", "value": "In snapd versions prior to 2.62, snapd failed to properly check the\ndestination of symbolic links when extracting a snap. The snap format \nis a squashfs file-system image and so can contain symbolic links and\nother file types. Various file entries within the snap squashfs image\n(such as icons and desktop files etc) are directly read by snapd when\nit is extracted. An attacker who could convince a user to install a\nmalicious snap which contained symbolic links at these paths could then \ncause snapd to write out the contents of the symbolic link destination\ninto a world-readable directory. This in-turn could allow an unprivileged\nuser to gain access to privileged information."}, {"lang": "es", "value": "En versiones de snapd anteriores a la 2.62, snapd no pod\u00eda verificar correctamente el destino de los enlaces simb\u00f3licos al extraer un snap. El formato snap es una imagen del sistema de archivos squashfs y, por lo tanto, puede contener enlaces simb\u00f3licos y otros tipos de archivos. snapd lee directamente varias entradas de archivos dentro de la imagen de snap squashfs (como \u00edconos y archivos de escritorio, etc.) cuando se extrae. Un atacante que pudiera convencer a un usuario de que instalara un complemento malicioso que contuviera enlaces simb\u00f3licos en estas rutas podr\u00eda hacer que snapd escribiera el contenido del destino del enlace simb\u00f3lico en un directorio legible por todo el mundo. Esto, a su vez, podr\u00eda permitir que un usuario sin privilegios obtenga acceso a informaci\u00f3n privilegiada."}], "lastModified": "2024-08-26T16:55:36.350", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:canonical:snapd:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A4A95DA5-EB47-48AA-B9C6-EB6D1489E832", "versionEndExcluding": "2.62"}], "operator": "OR"}]}], "sourceIdentifier": "security@ubuntu.com"}