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CVE PROGRAM SOURCE RECORD4.9 Medium

CVE-2020-8619

A buffer boundary check assertion in rdataset.c can fail incorrectly during zone transfer

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Status
Published
Published
Updated
Assigning organization
isc

Description

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

ISC BIND9

  • 9.11.14 through versions before 9.11.20affected
  • 9.16.0 through versions before 9.16.4affected
  • 9.11.14-S1 through versions before 9.11.20-S1affected
  • 9.14.9 through versions 9.14.12affected

References