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{"cveTags": [], "descriptions": [{"lang": "en", "value": "crun is an open source OCI Container Runtime fully written in C. In affected versions A malicious container image could trick the krun handler into escaping the root filesystem, allowing file creation or modification on the host. No special permissions are needed, only the ability for the current user to write to the target file. The problem is fixed in crun 1.20 and all users are advised to upgrade. There are no known workarounds for this vulnerability."}, {"lang": "es", "value": "Crun es un tiempo de ejecuci\u00f3n de contenedores OCI de c\u00f3digo abierto completamente escrito en C. En versiones afectadas, una imagen de contenedor malicioso podr\u00eda enga\u00f1ar al controlador Krun para que escape del sistema de archivos ra\u00edz, permitiendo la creaci\u00f3n o modificaci\u00f3n de archivos en el host. No se necesitan permisos especiales, solo la capacidad del usuario actual de escribir en el archivo de destino. El problema se soluciona en Crun 1.20 y se recomienda a todos los usuarios que actualicen. No se conocen workarounds para esta vulnerabilidad."}], "id": "CVE-2025-24965", "lastModified": "2026-04-15T00:35:42.020", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/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:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2025-02-19T17:15:15.510", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/containers/crun/commit/0aec82c2b686f0b1793deed43b46524fe2e8b5a7"}, {"source": "security-advisories@github.com", "url": "https://github.com/containers/crun/releases/tag/1.20"}, {"source": "security-advisories@github.com", "url": "https://github.com/containers/crun/security/advisories/GHSA-f42g-r5jj-qh4j"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "crun: .krun_config.json symlink attack creates or overwrites file on the host in crun", "id": "2346642", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2346642"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-22", "details": ["crun is an open source OCI Container Runtime fully written in C. In affected versions A malicious container image could trick the krun handler into escaping the root filesystem, allowing file creation or modification on the host. No special permissions are needed, only the ability for the current user to write to the target file. The problem is fixed in crun 1.20 and all users are advised to upgrade. There are no known workarounds for this vulnerability.", "A flaw was found in the crun container runtime. In affected versions, a malicious container image could trick the krun handler into escaping the root filesystem, allowing file creation or modification on the host. No special permissions are needed; only the ability for the current user to write to the target file is required."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2025-24965", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "crun", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "crun", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "crun", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "crun", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Will not fix", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2025-02-19T16:46:31Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-24965\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-24965\nhttps://github.com/containers/crun/commit/0aec82c2b686f0b1793deed43b46524fe2e8b5a7\nhttps://github.com/containers/crun/releases/tag/1.20\nhttps://github.com/containers/crun/security/advisories/GHSA-f42g-r5jj-qh4j"], "statement": "krun and krun handler is unavailable in either OCP or RHEL, it is only usable within Fedora so no Red Hat Products are affected by this CVE.\nThis vulnerability marked as high severity rather than moderate because it allows an attacker with minimal privileges\u2014only the ability to build and run a container\u2014to escape the root filesystem and modify files on the host. This effectively breaks container isolation, a core security boundary in containerized environments.\nThis flaw can be exploited remotely in shared environments where untrusted users can deploy containers. The ability to create or modify arbitrary files on the host could lead to privilege escalation, data corruption, or persistence mechanisms for further exploitation.", "threat_severity": "Important"}

{}