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Sid 1-40579

Message

SERVER-OTHER ISC BIND 9 DNS query overly long name denial of service attempt

Summary

ISC BIND 9.1.0 through 9.8.4-P2 and 9.9.0 through 9.9.2-P2 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via malformed options data in an OPT resource record.

Impact

CVSS base score 7.5 CVSS impact score 3.6 CVSS exploitability score 3.9 confidentialityImpact NONE integrityImpact NONE availabilityImpact NONE

CVE-2016-2848:

CVSS base score 7.5

CVSS impact score 3.6

CVSS exploitability score 3.9

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Detailed information

CVE-2016-2848: ISC BIND 9.1.0 through 9.8.4-P2 and 9.9.0 through 9.9.2-P2 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via malformed options data in an OPT resource record.

Affected systems

  • isc bind 9.1
  • isc bind 9.1.0
  • 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
  • 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 9.9.0
  • isc bind 9.9.1
  • isc bind 9.9.2

Ease of attack

CVE-2016-2848:

Access Vector

Access Complexity

Authentication

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.

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