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medium4.9

CVE-2020-8619

In ISC BIND9 versions BIND 9.11.14 -> 9.11.19, BIND 9.14.9 -> 9.14.12, BIND 9.16.0 -> 9.16.3, BIND Supported Preview Edition 9.11.14-S1 -> 9.11.19-S1: Unless a…

Impact

In ISC BIND9 versions BIND 9.11.14 -> 9.11.19, BIND 9.14.9 -> 9.14.12, BIND 9.16.0 -> 9.16.3, BIND Supported Preview Edition 9.11.14-S1 -> 9.11.19-S1: Unless a nameserver is providing authoritative service for one or more zones and at least one zone contains an empty non-terminal entry containing an asterisk ("*") character, this defect cannot be encountered. A would-be attacker who is allowed to change zone content could theoretically introduce such a record in order to exploit this condition to cause denial of service, though we consider the use of this vector unlikely because any such attack would require a significant privilege level and be easily traceable.

Affected products

VendorProductAffected versions
IscBind
from 9.11.14 through 9.11.19
from 9.11.14-s1 through 9.11.19-s1
from 9.14.9 through 9.14.12
from 9.16.0 through 9.16.3
FedoraprojectFedora
Versions 31, 32
OpensuseLeap
Versions 15.1, 15.2
DebianDebian Linux
Version 10.0
CanonicalUbuntu Linux
Version 20.04
NetappSteelstore Cloud Integrated Storage
All versions

Weakness classification

CWE-404

References