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ISC BIND 'deny-answer-aliases' Denial of Service Vulnerability

Information

Severity

Severity

Medium

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

4 years ago

Modified

Modified

3 years ago

Summary

The host is installed with ISC BIND and is prone to a denial of service vulnerability.

Insight

Insight

The flaw exists due to a defect in the feature 'deny-answer-aliases' which leads to assertion failure in 'name.c'.

Affected Software

Affected Software

ISC BIND versions 9.7.0 through 9.8.8, 9.9.0 through 9.9.13, 9.10.0 through 9.10.8, 9.11.0 through 9.11.4, 9.12.0 through 9.12.2 and 9.13.0 through 9.13.2.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Upgrade to ISC BIND version 9.9.13-P1 or 9.10.8-P1 or 9.11.4-P1 or 9.12.2-P1 or 9.11.3-S3 or later. Please see the references for more information.

Common Vulnerabilities and Exposures (CVE)