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Improper Restriction of XML External Entity Reference

CVE-2018-8819

High
7.5/10

Summary

An XXE issue was discovered in Automated Logic Corporation (ALC) WebCTRL Versions 6.0, 6.1 and 6.5. An unauthenticated attacker could enter malicious input to WebCTRL and a weakly configured XML parser will allow the application to disclose full file contents from the underlying web server OS via the "X-Wap-Profile" HTTP header.

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

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