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ubuntucveUbuntu.comUB:CVE-2018-5740
HistoryAug 09, 2018 - 12:00 a.m.

CVE-2018-5740

2018-08-0900:00:00
ubuntu.com
ubuntu.com
13

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.944 High

EPSS

Percentile

99.2%

“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.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchbind9< 1:9.11.3+dfsg-1ubuntu1.2UNKNOWN
ubuntu14.04noarchbind9< 1:9.9.5.dfsg-3ubuntu0.18UNKNOWN
ubuntu16.04noarchbind9< 1:9.10.3.dfsg.P4-8ubuntu1.11UNKNOWN

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.944 High

EPSS

Percentile

99.2%