vulnerability

Oracle Linux: CVE-2018-5740: ELSA-2018-2571: bind security update (IMPORTANT) (Multiple Advisories)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
2018-08-08
Added
2018-08-28
Modified
2024-12-01

Description

"deny-answer-aliases" is a little-used feature intended to help recursive server operators protect end users against DNS rebinding attacks, a potential method of circumventing the security model used by client browsers. However, a defect in this feature makes it easy, when the feature is in use, to experience an assertion failure in name.c. Affects BIND 9.7.0->9.8.8, 9.9.0->9.9.13, 9.10.0->9.10.8, 9.11.0->9.11.4, 9.12.0->9.12.2, 9.13.0->9.13.2.
A denial of service flaw was discovered in bind versions that include the "deny-answer-aliases" feature. This flaw may allow a remote attacker to trigger an INSIST assert in named leading to termination of the process and a denial of service condition.

Solution(s)

oracle-linux-upgrade-bindoracle-linux-upgrade-bind-chrootoracle-linux-upgrade-bind-develoracle-linux-upgrade-bind-libsoracle-linux-upgrade-bind-libs-liteoracle-linux-upgrade-bind-licenseoracle-linux-upgrade-bind-lite-develoracle-linux-upgrade-bind-pkcs11oracle-linux-upgrade-bind-pkcs11-develoracle-linux-upgrade-bind-pkcs11-libsoracle-linux-upgrade-bind-pkcs11-utilsoracle-linux-upgrade-bind-sdboracle-linux-upgrade-bind-sdb-chrootoracle-linux-upgrade-bind-utils
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