vulnerability

Red Hat: CVE-2020-8619: CVE-2020-8619 bind: asterisk character in an empty non-terminal can cause an assertion failure in rbtdb.c (Multiple Advisories)

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Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:N/A:P)
Published
2020-06-17
Added
2020-11-05
Modified
2024-11-26

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.

Solution(s)

redhat-upgrade-bindredhat-upgrade-bind-chrootredhat-upgrade-bind-debuginforedhat-upgrade-bind-debugsourceredhat-upgrade-bind-develredhat-upgrade-bind-export-develredhat-upgrade-bind-export-libsredhat-upgrade-bind-export-libs-debuginforedhat-upgrade-bind-libsredhat-upgrade-bind-libs-debuginforedhat-upgrade-bind-libs-literedhat-upgrade-bind-libs-lite-debuginforedhat-upgrade-bind-licenseredhat-upgrade-bind-lite-develredhat-upgrade-bind-pkcs11redhat-upgrade-bind-pkcs11-debuginforedhat-upgrade-bind-pkcs11-develredhat-upgrade-bind-pkcs11-libsredhat-upgrade-bind-pkcs11-libs-debuginforedhat-upgrade-bind-pkcs11-utilsredhat-upgrade-bind-pkcs11-utils-debuginforedhat-upgrade-bind-sdbredhat-upgrade-bind-sdb-chrootredhat-upgrade-bind-sdb-debuginforedhat-upgrade-bind-utilsredhat-upgrade-bind-utils-debuginforedhat-upgrade-python3-bind

References

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