{ "CVE_data_meta": { "ASSIGNER": "security@ubuntu.com", "DATE_PUBLIC": "2015-10-02T00:00:00.000Z", "ID": "CVE-2015-1340", "STATE": "PUBLIC", "TITLE": "chmod race in doUidshiftIntoContainer" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "LXD", "version": { "version_data": [ { "affected": "<", "version_value": "0.19-0ubuntu5" } ] } } ] }, "vendor_name": "Ubuntu" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "LXD before version 0.19-0ubuntu5 doUidshiftIntoContainer() has an unsafe Chmod() call that races against the stat in the Filepath.Walk() function. A symbolic link created in that window could cause any file on the system to have any mode of the attacker's choice." } ] }, "impact": { "cvss": { "attackComplexity": "HIGH", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.0" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Race condition." } ] } ] }, "references": { "reference_data": [ { "refsource": "MISC", "url": "https://github.com/lxc/lxd/commit/19c6961cc1012c8a529f20807328a9357f5034f4", "name": "https://github.com/lxc/lxd/commit/19c6961cc1012c8a529f20807328a9357f5034f4" } ] }, "source": { "defect": [ "https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/1502270" ], "discovery": "INTERNAL" } }