Summary

Libexpat contains a denial-of-service (DoS) vulnerability. A remote attacker could exploit this by chaining together an excessive number of general entities. Malicious use of this linear entity chain would subsequently result in uncontrolled recursion, leading to a stack overflow and crash.

Products Affected

• Brocade ASCG versions before 3.3.0a

Products Not Affected

• Brocade Fabric OS
  [VEX Justification: Vulnerable_code_not_in_execute_path]
• Brocade SANnav
  [VEX Justification: Vulnerable_code_cannot_be_contolled_by_adversary]
  

Solution

• Security update provided in Brocade ASCG 3.3.0a

Revision History

Disclaimer

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