CVEvulnerability

CVE-2018-5740

7.5 HIGH Published 2019-01-16 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-01-16
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-617

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.

Affected configurations

• isc bind (>= 9.7.0 < 9.8.8) • isc bind (>= 9.9.0 < 9.9.13) • isc bind (>= 9.10.0 < 9.10.8) • isc bind (>= 9.11.0 < 9.11.4) • isc bind (>= 9.12.0 < 9.12.2) • isc bind (>= 9.13.0 < 9.13.2) • redhat enterprise linux desktop 6.0 • redhat enterprise linux desktop 7.0 • redhat enterprise linux server 6.0 • redhat enterprise linux server 7.0 • redhat enterprise linux server aus 7.6 • redhat enterprise linux server eus 7.5 • redhat enterprise linux server eus 7.6 • redhat enterprise linux workstation 6.0 • redhat enterprise linux workstation 7.0 • debian debian linux 8.0 • debian debian linux 9.0 • netapp data ontap edge • canonical ubuntu linux 12.04 • canonical ubuntu linux 14.04 • canonical ubuntu linux 16.04 • canonical ubuntu linux 18.04 • hp hp-ux • opensuse leap 15.0 • opensuse leap 15.1 • opensuse leap 42.3

Related

Weakness · CWE (1)

  • CWE-617 Reachable Assertion weakness

References