{ "document": { "aggregate_severity": { "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" }, { "category": "details", "text": "CVE-2016-6321: fix directory-traversal in safer_name_suffix by skipping\n archive members whose names contain '..' components during extraction", "title": "Details" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "https://cve.tuxcare.com/els/releases/CLSA-2026:1779444333", "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1779444333" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/amazonlinux2els/advisories/2026/clsa-2026_1779444333.json" } ], "tracking": { "current_release_date": "2026-05-22T10:06:02Z", "generator": { "date": "2026-05-22T10:06:02Z", "engine": { "name": "pyCSAF" } }, "id": "CLSA-2026:1779444333", "initial_release_date": "2026-05-22T10:06:02Z", "revision_history": [ { "date": "2026-05-22T10:06:02Z", "number": "1", "summary": "Initial version" } ], "status": "final", "version": "1" }, "title": "tar: Fix of CVE-2016-6321" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Amazon Linux 2", "product": { "name": "Amazon Linux 2", "product_id": "Amazon-Linux-2", "product_identification_helper": { "cpe": "cpe:2.3:o:amazon:amazon_linux:2:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Amazon Linux" } ], "category": "vendor", "name": "Amazon Web Services, Inc." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "tar-2:1.26-35.amzn2.0.4.tuxcare.els1.x86_64", "product": { "name": "tar-2:1.26-35.amzn2.0.4.tuxcare.els1.x86_64", "product_id": "tar-2:1.26-35.amzn2.0.4.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/tar@1.26-35.amzn2.0.4.tuxcare.els1?arch=x86_64&epoch=2" } } } ], "category": "architecture", "name": "x86_64" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "tar-2:1.26-35.amzn2.0.4.tuxcare.els1.x86_64 as a component of Amazon Linux 2", "product_id": "Amazon-Linux-2:tar-2:1.26-35.amzn2.0.4.tuxcare.els1.x86_64" }, "product_reference": "tar-2:1.26-35.amzn2.0.4.tuxcare.els1.x86_64", "relates_to_product_reference": "Amazon-Linux-2" } ] }, "vulnerabilities": [ { "cve": "CVE-2016-6321", "cwe": { "id": "CWE-22", "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')" }, "notes": [ { "category": "description", "text": "Directory traversal vulnerability in the safer_name_suffix function in GNU tar 1.14 through 1.29 might allow remote attackers to bypass an intended protection mechanism and write to arbitrary files via vectors related to improper sanitization of the file_name parameter, aka POINTYFEATHER.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "Amazon-Linux-2:tar-2:1.26-35.amzn2.0.4.tuxcare.els1.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2016-6321" }, { "category": "external", "summary": "http://git.savannah.gnu.org/cgit/tar.git/commit/?id=7340f67b9860ea0531c1450e5aa261c50f67165d", "url": "http://git.savannah.gnu.org/cgit/tar.git/commit/?id=7340f67b9860ea0531c1450e5aa261c50f67165d" }, { "category": "external", "summary": "http://lists.gnu.org/archive/html/bug-tar/2016-10/msg00016.html", "url": "http://lists.gnu.org/archive/html/bug-tar/2016-10/msg00016.html" }, { "category": "external", "summary": "http://packetstormsecurity.com/files/139370/GNU-tar-1.29-Extract-Pathname-Bypass.html", "url": "http://packetstormsecurity.com/files/139370/GNU-tar-1.29-Extract-Pathname-Bypass.html" }, { "category": "external", "summary": "http://seclists.org/fulldisclosure/2016/Oct/102", "url": "http://seclists.org/fulldisclosure/2016/Oct/102" }, { "category": "external", "summary": "http://seclists.org/fulldisclosure/2016/Oct/96", "url": "http://seclists.org/fulldisclosure/2016/Oct/96" }, { "category": "external", "summary": "http://www.debian.org/security/2016/dsa-3702", "url": "http://www.debian.org/security/2016/dsa-3702" }, { "category": "external", "summary": "http://www.securityfocus.com/bid/93937", "url": "http://www.securityfocus.com/bid/93937" }, { "category": "external", "summary": "http://www.ubuntu.com/usn/USN-3132-1", "url": "http://www.ubuntu.com/usn/USN-3132-1" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E", "url": "https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E", "url": "https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E" }, { "category": "external", "summary": "https://security.gentoo.org/glsa/201611-19", "url": "https://security.gentoo.org/glsa/201611-19" }, { "category": "external", "summary": "https://sintonen.fi/advisories/tar-extract-pathname-bypass.proper.txt", "url": "https://sintonen.fi/advisories/tar-extract-pathname-bypass.proper.txt" } ], "release_date": "2016-12-09T22:59:00Z", "remediations": [ { "category": "vendor_fix", "date": "2026-05-22T10:05:35.528153Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1779444333", "product_ids": [ "Amazon-Linux-2:tar-2:1.26-35.amzn2.0.4.tuxcare.els1.x86_64" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1779444333" } ], "scores": [ { "cvss_v2": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0" }, "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.0" }, "products": [ "Amazon-Linux-2:tar-2:1.26-35.amzn2.0.4.tuxcare.els1.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ] } ] }