CVE-2016-2175: Apache PDFBox XML External Entity vulnerability
Severity: Important
Vendor:
The Apache Software Foundation
Versions Affected:
Apache PDFBox 1.8.0 to 1.8.11
Apache PDFBox 2.0.0
Earlier, unsupported Apache PDFBox versions may be affected as well
Description:
Apache PDFBox parses different XML data within PDF files such as XMP and the
initialization of the XML parsers did not protect against XML External Entity
(XXE) vulnerabilities. According to www.owasp.org [1]: "This attack may lead to
the disclosure of confidential data, denial of service, server side request
forgery, port scanning from the perspective of the machine where the parser is
located, and other system impacts."
Mitigation:
Upgrade to Apache PDFBox 1.8.12 respectively 2.0.1
Credit:
This issue was discovered by Arthur Khashaev (https://khashaev.ru), Seulgi Kim,
Mesut Timur and Microsoft Vulnerability Research.
[1] https://www.owasp.org/index.php/XML_External_Entity_(XXE)_Processing
