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Improper Restriction of XML External Entity Reference

CVE-2019-3752

High
8.2/10

Summary

Dell EMC Avamar Server versions 7.4.1, 7.5.0, 7.5.1, 18.2 and 19.1 and Dell EMC Integrated Data Protection Appliance (IDPA) versions 2.0, 2.1, 2.2, 2.3 and 2.4. contain an XML External Entity(XXE) Injection vulnerability. A remote unauthenticated malicious user could potentially exploit this vulnerability to cause Denial of Service or information exposure by supplying specially crafted document type definitions (DTDs) in an XML request.

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