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Sid 1-2921


PROTOCOL-DNS UDP inverse query


BIND 4 and BIND 8 allow remote attackers to access sensitive information such as environment variables.


CVSS base score 5.0 CVSS impact score 2.9 CVSS exploitability score 10.0 confidentialityImpact PARTIAL integrityImpact NONE availabilityImpact NONE

Detailed information

Affected systems

  • isc bind 4.9.3
  • isc bind 4.9.5
  • isc bind 4.9.6
  • isc bind 4.9.7
  • isc bind 8.2
  • isc bind 8.2.1
  • isc bind 8.2.2

Ease of attack

False positives

None known

False negatives

None known

Corrective action

Upgrade to the latest non-affected version of the software.

Apply the appropriate vendor supplied patches.


  • Talos research team.
  • This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology.
  • For more information see nvd.

Additional References