APP: ISC BIND lwresd Query Name Denial of Service

This signature detects attempts to exploit a known vulnerability against ISC BIND's lwresd daemon. Successful exploitation could lead to denial-of-service conditions.

Extended Description

ISC BIND 9.x before 9.9.9-P2, 9.10.x before 9.10.4-P2, and 9.11.x before 9.11.0b2, when lwresd or the named lwres option is enabled, allows remote attackers to cause a denial of service (daemon crash) via a long request that uses the lightweight resolver protocol.

Affected Products

Isc bind

References

CVE: CVE-2016-2775

Short Name
APP:ISC-BIND-LWRESD-DOS
Severity
Major
Recommended
False
Recommended Action
Drop
Category
APP
Keywords
BIND CVE-2016-2775 Denial ISC Name Query Service lwresd of
Release Date
08/23/2016
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
3590
Port
UDP/921
False Positive
Unknown
Vendors

Isc

Hp

Fedoraproject

Redhat

CVSS Score

4.3

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