Date: Fri, 22 Jul 2016 19:18:13 +0000 (UTC) From: Tim Allison <tallison@...che.org> To: "security@...che.org" <security@...che.org>, "oss-security@...ts.openwall.com" <oss-security@...ts.openwall.com>, "bugtraq@...urityfocus.com" <bugtraq@...urityfocus.com>, "dev@....apache.org" <dev@....apache.org>, "user@....apache.org" <user@....apache.org> Subject: [CVE-2016-5000] XML External Entity (XXE) Vulnerability in Apache POI's XLSX2CSV Example CVE-2016-5000: XML External Entity (XXE) Vulnerability in Apache POI's XLSX2CSV Example Severity: Important Vendor: The Apache Software Foundation Versions Affected: POI 3.5-3.13 Description: Apache POI's XLSX2CSV example uses Java's XML components to parse OpenXML files. Applications and users that use XLSX2CSV and accept such files from end-users are vulnerable to XML External Entity (XXE) attacks, which allow remote attackers to bypass security restrictions and read arbitrary files via a crafted OpenXML document that provides an XML external entity declaration in conjunction with an entity reference. Mitigation: Upgrade to 3.14 or higher Credit: This issue was discovered by Mauro Gentile of Minded Security.
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