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Improper Restriction of XML External Entity Reference

CVE-2022-21949

High
8.8/10

Summary

A Improper Restriction of XML External Entity Reference vulnerability in SUSE Open Build Service allows remote attackers to reference external entities in certain operations. This can be used to gain information from the server that can be abused to escalate to Admin privileges on OBS. This issue affects: SUSE Open Build Service Open Build Service versions prior to 2.10.13.

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