Description
The XML parsers in iText before 5.5.12 and 7.x before 7.0.3 do not disable external entities, which might allow remote attackers to conduct XML external entity (XXE) attacks via a crafted PDF.
Remediation
References
http://www.securityfocus.com/archive/1/541483/100/0/threaded
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03902en_us
https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2017-017_itext_xml_external_entity_attack.txt
https://www.oracle.com/security-alerts/cpuoct2020.html
Related Vulnerabilities
CVE-2021-23358 Vulnerability in maven package org.webjars.bower:underscore
CVE-2021-23567 Vulnerability in npm package colors
CVE-2021-23363 Vulnerability in npm package kill-by-port
CVE-2019-16777 Vulnerability in maven package org.webjars.bower:npm
CVE-2014-3655 Vulnerability in maven package org.keycloak:keycloak-services