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command as root within one of these types of containers: (1) a new container with an attacker-controlled image, or (2) an existing container, to which the attacker previously had write access, that can be attached with docker exec. 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Esto ocurre debido a la gesti\u00f3n incorrecta del descriptor de archivos; esto est\u00e1 relacionado con /proc/self/exe."}], "id": "CVE-2019-5736", "lastModified": "2024-11-21T04:45:24.603", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 9.3, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-02-11T19:29:00.297", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00044.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00074.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00091.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00060.html"}, {"source": "cve@mitre.org", 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"af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4048-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "https://www.exploit-db.com/exploits/46359/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "https://www.exploit-db.com/exploits/46369/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2019/02/11/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.synology.com/security/advisory/Synology_SA_19_06"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.twistlock.com/2019/02/11/how-to-mitigate-cve-2019-5736-in-runc-and-docker/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the Open Containers Security Team for reporting this issue. Upstream acknowledges Adam Iwaniuk and Borys Pop\u0142awski as the original reporters.", "affected_release": [{"advisory": "RHSA-2019:0401", "cpe": "cpe:/a:redhat:container_development_kit:3.7", "product_name": "Other", "release_date": "2019-02-25T00:00:00Z"}, {"advisory": "RHSA-2019:0303", "cpe": "cpe:/a:redhat:rhel_extras_other:7", "package": "runc-0:1.0.0-59.dev.git2abd837.el7", "product_name": "Red Hat Enterprise Linux 7 Extras", "release_date": "2019-02-11T00:00:00Z"}, {"advisory": "RHSA-2019:0304", "cpe": "cpe:/a:redhat:rhel_extras_other:7", "package": "docker-2:1.13.1-91.git07f3374.el7", "product_name": "Red Hat Enterprise Linux 7 Extras", "release_date": "2019-02-11T00:00:00Z"}, {"advisory": "RHSA-2019:0975", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "container-tools:rhel8-8000020190416221845.2ffa3d27", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-05-07T00:00:00Z"}, {"advisory": "RHSA-2019:0408", "cpe": "cpe:/a:redhat:openshift:3.4::el7", "package": "docker-2:1.12.6-79.git5680db5.el7", "product_name": "Red Hat OpenShift Container Platform 3.4", "release_date": "2019-02-26T00:00:00Z"}, {"advisory": "RHSA-2019:0408", "cpe": "cpe:/a:redhat:openshift:3.5::el7", "package": "docker-2:1.12.6-79.git5680db5.el7", "product_name": "Red Hat OpenShift Container Platform 3.5", "release_date": "2019-02-26T00:00:00Z"}, {"advisory": "RHSA-2019:0408", "cpe": "cpe:/a:redhat:openshift:3.6::el7", "package": "docker-2:1.12.6-79.git5680db5.el7", "product_name": "Red Hat OpenShift Container Platform 3.6", "release_date": "2019-02-26T00:00:00Z"}, {"advisory": "RHSA-2019:0408", "cpe": "cpe:/a:redhat:openshift:3.7::el7", "package": "docker-2:1.12.6-79.git5680db5.el7", "product_name": "Red Hat OpenShift Container Platform 3.7", "release_date": "2019-02-26T00:00:00Z"}], "bugzilla": {"description": "runc: Execution of malicious containers allows for container escape and access to host filesystem", "id": "1664908", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1664908"}, "csaw": true, "cvss3": {"cvss3_base_score": "7.7", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-672", "details": ["runc through 1.0-rc6, as used in Docker before 18.09.2 and other products, allows attackers to overwrite the host runc binary (and consequently obtain host root access) by leveraging the ability to execute a command as root within one of these types of containers: (1) a new container with an attacker-controlled image, or (2) an existing container, to which the attacker previously had write access, that can be attached with docker exec. This occurs because of file-descriptor mishandling, related to /proc/self/exe.", "A flaw was found in the way runc handled system file descriptors when running containers. A malicious container could use this flaw to overwrite contents of the runc binary and consequently run arbitrary commands on the container host system."], "mitigation": {"lang": "en:us", "value": "This vulnerability is mitigated on Red Hat Enterprise Linux 7 if SELinux is in enforcing mode. SELinux in enforcing mode is a pre-requisite for OpenShift Container Platform 3.x."}, "name": "CVE-2019-5736", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "docker-latest", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "container-tools:1.0/runc", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:rhel_atomic:7", "fix_state": "Not affected", "package_name": "docker", "product_name": "Red Hat Enterprise Linux Atomic Host 7"}, {"cpe": "cpe:/a:redhat:rhel_atomic:7", "fix_state": "Not affected", "package_name": "runc", "product_name": "Red Hat Enterprise Linux Atomic Host 7"}, {"cpe": "cpe:/a:redhat:openshift:3.9", "fix_state": "Will not fix", "package_name": "runc", "product_name": "Red Hat OpenShift Container Platform 3.9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "runc", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2019-02-11T13:22:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-5736\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-5736\nhttps://blog.dragonsector.pl/2019/02/cve-2019-5736-escape-from-docker-and.html\nhttps://seclists.org/oss-sec/2019/q1/119"], "statement": "The 'docker' package shipped in Red Hat Enterprise Linux 7 Extras bundles 'runc' since 'docker' starting from version 1.12. Both the 'docker' and 'runc' packages are affected by this issue.\nThe 'docker-latest' package is deprecated as of Red Hat Enterprise Linux 7.5. Customers using this package should update to the latest 'docker' package shipped in Red Hat Enterprise Linux 7 Extras.\nOpenShift Container Platform (OCP) versions 3.9 and later use 'docker' version 1.13 in the default configuration but can be configured to use CRI-O as an alternative, which depends on the 'runc' package. OCP versions 3.9 and later should use the updated 'docker' and 'runc' packages shipped in Red Hat Enterprise Linux 7 Extras.\nOCP versions 3.4 through 3.7 originally used 'docker' version 1.12 from the Red Hat Enterprise Linux 7 Extras channel. An updated version of 'docker' 1.12 has been delivered to the RPM channels for OCP versions 3.4 through 3.7.\nOCP version 3.9 previously shipped a version of 'runc' in it's RPM repository. OCP 3.9 clusters using CRI-O should update 'runc' from the Red Hat Enterprise Linux 7 Extras channel.\nRed Hat Enterprise Linux Atomic Host 7 is not affected by this vulnerability as the target runc binaries are stored on a read-only filesystem and cannot be overwritten.", "threat_severity": "Important"}