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

CVE-2020-6856

Medium
6.5/10

Summary

An XML External Entity (XEE) vulnerability exists in the JOC Cockpit component of SOS JobScheduler 1.12 and 1.13.2 allows attackers to read files from the server via an entity declaration in any of the XML documents that are used to specify the run-time settings of jobs and orders.

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

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