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

Short Name
DNS:BIND-DBC-ASSERT-DOS
Severity
Critical
Recommended
False
Recommended Action
Drop
Category
DNS
Keywords
Assertion BIND CVE-2015-8000 Denial Failure ISC Service db.c of
Release Date
01/19/2016
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3600
False Positive
Unknown
Vendors

Isc

Oracle

CVSS Score

5.0

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