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Sid 1-33583

Message

PROTOCOL-DNS ISC BIND recursive resolver resource consumption denial of service attempt

Summary

ISC BIND 9.0.x through 9.8.x, 9.9.0 through 9.9.6, and 9.10.0 through 9.10.1 does not limit delegation chaining, which allows remote attackers to cause a denial of service (memory consumption and named crash) via a large or infinite number of referrals.

Impact

CVSS base score 7.8 CVSS impact score 6.9 CVSS exploitability score 10.0 confidentialityImpact NONE integrityImpact NONE availabilityImpact NONE

CVE-2014-8500:

CVSS base score 7.8

CVSS impact score 6.9

CVSS exploitability score 10.0

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Detailed information

CVE-2014-8500: ISC BIND 9.0.x through 9.8.x, 9.9.0 through 9.9.6, and 9.10.0 through 9.10.1 does not limit delegation chaining, which allows remote attackers to cause a denial of service (memory consumption and named crash) via a large or infinite number of referrals.

Affected systems

  • isc bind 9.0
  • isc bind 9.0.1
  • isc bind 9.1
  • isc bind 9.1.1
  • isc bind 9.1.2
  • isc bind 9.1.3
  • isc bind 9.2
  • isc bind 9.2.0
  • isc bind 9.2.1
  • isc bind 9.2.2
  • isc bind 9.2.3
  • isc bind 9.2.4
  • isc bind 9.2.5
  • isc bind 9.2.6
  • isc bind 9.2.7
  • isc bind 9.2.8
  • isc bind 9.2.9
  • isc bind 9.3
  • isc bind 9.3.0
  • isc bind 9.3.1
  • isc bind 9.3.2
  • isc bind 9.3.3
  • isc bind 9.3.4
  • isc bind 9.3.5
  • isc bind 9.3.6
  • isc bind 9.4
  • isc bind 9.4.0
  • isc bind 9.4.1
  • isc bind 9.4.2
  • isc bind 9.4.3
  • isc bind 9.5
  • isc bind 9.5.0
  • isc bind 9.5.1
  • isc bind 9.5.2
  • isc bind 9.5.3
  • isc bind 9.6.0
  • isc bind 9.6.1
  • isc bind 9.6.2
  • isc bind 9.6.3
  • isc bind 9.7.0
  • isc bind 9.7.1
  • isc bind 9.7.2
  • isc bind 9.7.3
  • isc bind 9.7.4
  • isc bind 9.7.5
  • isc bind 9.7.6
  • isc bind 9.7.7
  • isc bind 9.8.0
  • isc bind 9.8.1
  • isc bind 9.8.2
  • isc bind 9.8.3
  • isc bind 9.8.4
  • isc bind 9.8.5
  • isc bind 9.8.6
  • isc bind 9.9.0
  • isc bind 9.9.1
  • isc bind 9.9.2
  • isc bind 9.9.3
  • isc bind 9.9.4
  • isc bind 9.9.5
  • isc bind 9.9.6
  • isc bind 9.10.0
  • isc bind 9.10.1

Ease of attack

CVE-2014-8500:

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

False positives

None known

False negatives

None known

Corrective action

Contributors

  • 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

  • www.kb.cert.org/vuls/id/264212