DNS: ISC BIND RRSIG RRsets Denial of Service 2

This signature detects attempts to exploit a known vulnerability against ISC BIND. A successful attack can result in a denial-of-service condition.

Extended Description

Off-by-one error in named in ISC BIND 9.x before 9.7.3-P1, 9.8.x before 9.8.0-P2, 9.4-ESV before 9.4-ESV-R4-P1, and 9.6-ESV before 9.6-ESV-R4-P1 allows remote DNS servers to cause a denial of service (assertion failure and daemon exit) via a negative response containing large RRSIG RRsets.

Affected Products

Isc bind

References

CVE: CVE-2018-8225

Short Name
DNS:BIND-RRSIG-DOS-2
Severity
Major
Recommended
False
Recommended Action
Drop
Category
DNS
Keywords
2 BIND CVE-2011-1910 CVE-2018-8225 Denial ISC RRSIG RRsets Service of
Release Date
12/30/2015
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
3761
False Positive
Unknown
Vendors

Isc

CVSS Score

9.3

5.0

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