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Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

CVE-2013-6460

Medium
6.5/10

Summary

Nokogiri gem 1.5.x prior to 1.5.11 and 1.6.x prior to 1.6.1 has Denial of Service via infinite loop when parsing XML documents.

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

CWE-776 - Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

The software uses XML documents and allows their structure to be defined with a Document Type Definition (DTD), but it does not properly control the number of recursive definitions of entities.

References

Advisory Timeline

  • Published