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Improper Restriction of XML External Entity Reference

CVE-2018-8940

High
9.8/10

Summary

ClientServiceConfigController.cs in Enghouse Cloud Contact Center Platform 7.2.5 has functionality for loading external XML files and parsing them, allowing an attacker to upload a malicious XML file and reference it in the URL of the application, forcing the application to load and parse the malicious XML file, aka an XXE issue.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-611 - Improper Restriction of XML External Entity Reference

Listed 4th in the 'OWASP Top Ten', XML External Entities (XXE) vulnerability allows attackers to provide an XML input that contains an external entity. When the XML is parsed, it can cause data extraction and manipulation, execution of commands, denial-of-service attacks, and server-side request forgery.

References

Advisory Timeline

  • Published