DNS: ISC BIND NSEC3-Signed Zones Queries Processing Denial of Service
This signature detects attempts to exploit a known vulnerability against ISC BIND NSEC3-Signed Zone Queries. A successful attack can result in a denial-of-service condition.
Extended Description
The query_findclosestnsec3 function in query.c in named in ISC BIND 9.6, 9.7, and 9.8 before 9.8.6-P2 and 9.9 before 9.9.4-P2, and 9.6-ESV before 9.6-ESV-R10-P2, allows remote attackers to cause a denial of service (INSIST assertion failure and daemon exit) via a crafted DNS query to an authoritative nameserver that uses the NSEC3 signing feature.
Affected Products
Isc bind
Short Name
DNS:QUERY:ISC-BIND-NSEC3-DOS
Severity
Major
Recommended
False
Recommended Action
Drop
Category
DNS
Keywords
BIND CVE-2014-0591 Denial ISC NSEC3-Signed Processing Queries Service Zones bid:64801 of
Release Date
02/26/2014
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
2.6