BugTraq
[CVE-2016-5000] XML External Entity (XXE) Vulnerability in Apache POI's XLSX2CSV Example Jul 22 2016 07:18PM
Tim Allison (tallison apache org)
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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