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Database

XML injection (XXE) In org.dom4j:dom4j

Description

Dom4j contains a XML Injection vulnerability dom4j version prior to version 2.1.1 contains a CWE-91: XML Injection vulnerability in Class: Element. Methods: addElement, addAttribute that can result in an attacker tampering with XML documents through XML injection. This attack appear to be exploitable via an attacker specifying attributes or elements in the XML document. This vulnerability appears to have been fixed in 2.1.1 or later.

Note: This advisory applies to dom4j:dom4j version 1.x legacy artifacts. To resolve this a change to the latest version of org.dom4j:dom4j is recommended.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem
Component
Affected version
Patched versions

References

1. https://github.com/dom4j/dom4j/issues/482. https://github.com/dom4j/dom4j/commit/e598eb43d418744c4dbf62f647dd2381c9ce93873. https://github.com/dom4j/dom4j/commit/c2a99d7dee8ce7a4e5bef134bb781a6672bd8a0f4. https://lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451@%3Csolr-user.lucene.apache.org%3E5. https://lists.apache.org/thread.html/7e9e78f0e4288fac6591992836d2a80d4df19161e54bd71ab4b8e458@%3Cdev.maven.apache.org%3E6. https://lists.apache.org/thread.html/7f6e120e6ed473f4e00dde4c398fc6698eb383bd7857d20513e989ce@%3Cdev.maven.apache.org%3E7. https://lists.apache.org/thread.html/9d4c1af6f702c3d6d6f229de57112ddccac8ce44446a01b7937ab9e0@%3Ccommits.maven.apache.org%3E8. https://lists.apache.org/thread.html/d7d960b2778e35ec9b4d40c8efd468c7ce7163bcf6489b633491c89f@%3Cdev.maven.apache.org%3E9. https://lists.apache.org/thread.html/rb1b990d7920ae0d50da5109b73b92bab736d46c9788dd4b135cb1a51@%3Cnotifications.freemarker.apache.org%3E10. https://lists.fedoraproject.org/archives/list/[email protected]/message/IOOVVCRQE6ATFD2JM2EMDXOQXTRIVZGP11. https://lists.fedoraproject.org/archives/list/[email protected]/message/KJULAHVR3I5SX7OSMXAG75IMNSAYOXGA12. https://security.netapp.com/advisory/ntap-20190530-000113. https://www.oracle.com/security-alerts/cpuApr2021.html14. https://www.oracle.com/security-alerts/cpuapr2020.html15. https://www.oracle.com/security-alerts/cpujul2020.html16. https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html17. https://lists.apache.org/thread.html/5a020ecaa3c701f408f612f7ba2ee37a021644c4a39da2079ed3ddbc@%3Ccommits.maven.apache.org%3E18. https://lists.apache.org/thread.html/4a77652531d62299a30815cf5f233af183425db8e3c9a824a814e768@%3Cdev.maven.apache.org%3E19. https://lists.apache.org/thread.html/00571f362a7a2470fba50a31282c65637c40d2e21ebe6ee535a4ed74@%3Ccommits.maven.apache.org%3E20. https://ihacktoprotect.com/post/dom4j-xml-injection21. https://github.com/dom4j/dom4j