gsd-2019-11251
Vulnerability from gsd
Modified
2023-12-13 01:24
Details
The Kubernetes kubectl cp command in versions 1.1-1.12, and versions prior to 1.13.11, 1.14.7, and 1.15.4 allows a combination of two symlinks provided by tar output of a malicious container to place a file outside of the destination directory specified in the kubectl cp invocation. This could be used to allow an attacker to place a nefarious file using a symlink, outside of the destination tree.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2019-11251", "description": "The Kubernetes kubectl cp command in versions 1.1-1.12, and versions prior to 1.13.11, 1.14.7, and 1.15.4 allows a combination of two symlinks provided by tar output of a malicious container to place a file outside of the destination directory specified in the kubectl cp invocation. This could be used to allow an attacker to place a nefarious file using a symlink, outside of the destination tree.", "id": "GSD-2019-11251", "references": [ "https://www.suse.com/security/cve/CVE-2019-11251.html", "https://access.redhat.com/errata/RHSA-2019:3905", "https://access.redhat.com/errata/RHSA-2019:3811", "https://access.redhat.com/errata/RHSA-2019:3267", "https://access.redhat.com/errata/RHSA-2019:3266", "https://linux.oracle.com/cve/CVE-2019-11251.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2019-11251" ], "details": "The Kubernetes kubectl cp command in versions 1.1-1.12, and versions prior to 1.13.11, 1.14.7, and 1.15.4 allows a combination of two symlinks provided by tar output of a malicious container to place a file outside of the destination directory specified in the kubectl cp invocation. This could be used to allow an attacker to place a nefarious file using a symlink, outside of the destination tree.", "id": "GSD-2019-11251", "modified": "2023-12-13T01:24:02.054243Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "security@kubernetes.io", "ID": "CVE-2019-11251", "STATE": "PUBLIC", "TITLE": "kubectl cp allows symlink directory traversal" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Kubernetes", "version": { "version_data": [ { "version_value": "prior to 1.13.11" }, { "version_value": "prior to 1.14.7" }, { "version_value": "prior to 1.15.4" }, { "version_value": "1.1" }, { "version_value": "1.2" }, { "version_value": "1.3" }, { "version_value": "1.4" }, { "version_value": "1.5" }, { "version_value": "1.6" }, { "version_value": "1.7" }, { "version_value": "1.8" }, { "version_value": "1.9" }, { "version_value": "1.10" }, { "version_value": "1.11" }, { "version_value": "1.12" } ] } } ] }, "vendor_name": "Kubernetes" } ] } }, "credit": [ { "lang": "eng", "value": "Erik Sj\u00f6lund" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "The Kubernetes kubectl cp command in versions 1.1-1.12, and versions prior to 1.13.11, 1.14.7, and 1.15.4 allows a combination of two symlinks provided by tar output of a malicious container to place a file outside of the destination directory specified in the kubectl cp invocation. This could be used to allow an attacker to place a nefarious file using a symlink, outside of the destination tree." } ] }, "generator": { "engine": "Vulnogram 0.0.9" }, "impact": { "cvss": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-61: UNIX Symbolic Link (Symlink) Following" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/kubernetes/kubernetes/issues/87773", "refsource": "CONFIRM", "url": "https://github.com/kubernetes/kubernetes/issues/87773" }, { "name": "Security release of kubectl versions v1.16.0 / 1.15.4 / 1.14.7 and 1.13.11 - CVE-2019-11251", "refsource": "MLIST", "url": "https://groups.google.com/d/msg/kubernetes-announce/YYtEFdFimZ4/nZnOezZuBgAJ" } ] }, "source": { "defect": [ "https://github.com/kubernetes/kubernetes/issues/87773" ], "discovery": "USER" } }, "gitlab.com": { "advisories": [ { "_git_import_path": "go/github.com/kubernetes/kubernetes/pkg/kubectl/cmd/cp", "affected_range": "=1.1-1.12||\u003e=1.13.0 \u003c1.13.11||\u003e=1.14.0 \u003c1.14.7||\u003e=1.15.0 \u003c1.15.4", "affected_versions": "Version 1.1-1.12, all versions starting from 1.13.0 before 1.13.11, all versions starting from 1.14.0 before 1.14.7, all versions starting from 1.15.0 before 1.15.4", "cvss_v2": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N", "cwe_ids": [ "CWE-1035", "CWE-59", "CWE-937" ], "date": "2020-02-06", "description": "The Kubernetes kubectl cp command in versions allows a combination of two symlinks provided by tar output of a malicious container to place a file outside of the destination directory specified in the kubectl cp invocation. This could be used to allow an attacker to place a nefarious file using a symlink, outside of the destination tree.", "fixed_versions": [ "1.1.2-beta.0", "1.13.11", "1.14.7", "1.15.4" ], "identifier": "CVE-2019-11251", "identifiers": [ "CVE-2019-11251" ], "not_impacted": "All versions before 1.1-1.12, all versions after 1.1-1.12 before 1.13.0, all versions starting from 1.13.11 before 1.14.0, all versions starting from 1.14.7 before 1.15.0, all versions starting from 1.15.4", "package_slug": "go/github.com/kubernetes/kubernetes/pkg/kubectl/cmd/cp", "pubdate": "2020-02-03", "solution": "Upgrade to versions 1.1.2-beta.0, 1.13.11, 1.14.7, 1.15.4 or above.", "title": "Improper Link Resolution Before File Access", "urls": [ "https://nvd.nist.gov/vuln/detail/CVE-2019-11251" ], "uuid": "21c175e0-2f6c-44c6-9977-b423b4d98fd9" } ] }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:kubernetes:kubernetes:1.1-1.12:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "1.13.11", "versionStartIncluding": "1.13.0", "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "1.14.7", "versionStartIncluding": "1.14.0", "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "1.15.4", "versionStartIncluding": "1.15.0", "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "security@kubernetes.io", "ID": "CVE-2019-11251" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "The Kubernetes kubectl cp command in versions 1.1-1.12, and versions prior to 1.13.11, 1.14.7, and 1.15.4 allows a combination of two symlinks provided by tar output of a malicious container to place a file outside of the destination directory specified in the kubectl cp invocation. This could be used to allow an attacker to place a nefarious file using a symlink, outside of the destination tree." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-59" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/kubernetes/kubernetes/issues/87773", "refsource": "CONFIRM", "tags": [ "Third Party Advisory" ], "url": "https://github.com/kubernetes/kubernetes/issues/87773" }, { "name": "Security release of kubectl versions v1.16.0 / 1.15.4 / 1.14.7 and 1.13.11 - CVE-2019-11251", "refsource": "MLIST", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://groups.google.com/d/msg/kubernetes-announce/YYtEFdFimZ4/nZnOezZuBgAJ" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0" }, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": true }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N", "version": "3.1" }, "exploitabilityScore": 2.1, "impactScore": 3.6 } }, "lastModifiedDate": "2020-02-06T17:37Z", "publishedDate": "2020-02-03T16:15Z" } } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
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- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.