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Short Name

DNS:BIND-DBC-ASSERT-DOS

Severity

Critical

Recommended

Yes

Recommended Action

Drop

Category

DNS

Keywords

ISC BIND db.c Assertion Failure Denial of Service

Release Date

2016/01/19

Update Number

2621

Supported Platforms

idp-4.0+, isg-3.0+, j-series-9.5+, mx-11.4+, srx-12.1+, srx-branch-12.1+, vmx-17.4+, vsrx-12.1+, vsrx3bsd-18.2+

DNS: ISC BIND db.c Assertion Failure Denial of Service


This signature detects attempts to exploit a known vulnerability against BIND DNS Service. The vulnerability is due to improper parsing of incoming responses, allowing malformed records to be accepted by BIND when they should not be accepted. A successful attack can result in a denial-of-service condition.

Extended Description

db.c in named in ISC BIND 9.x before 9.9.8-P2 and 9.10.x before 9.10.3-P2 allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) via a malformed class attribute.

Affected Products

  • Isc bind 8.4.7
  • Isc bind 9.0
  • Isc bind 9.0.1
  • Isc bind 9.1
  • Isc bind 9.10.0
  • Isc bind 9.10.1
  • Isc bind 9.10.2
  • Isc bind 9.10.3
  • 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 9.3
  • Isc bind 9.3.0
  • Isc bind 9.3.1
  • Isc bind 9.3.2
  • Isc bind 9.3.3
  • 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 9.8.5
  • 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 9.9.7
  • Isc bind 9.9.8
  • Oracle linux 5.0
  • Oracle linux 6
  • Oracle linux 7
  • Oracle solaris 10
  • Oracle solaris 11.3
  • Oracle vm_server 3.2

References

  • CVE: CVE-2015-8000
  • URL: https://kb.isc.org/article/AA-01317

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