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Test ID:1.3.6.1.4.1.25623.1.0.146644
Category:Denial of Service
Title:ISC BIND DoS Vulnerability (CVE-2019-6469) - Linux
Summary:ISC BIND is prone to a denial of service (DoS) vulnerability.
Description:Summary:
ISC BIND is prone to a denial of service (DoS) vulnerability.

Vulnerability Insight:
An error in the EDNS Client Subnet (ECS) feature for recursive
resolvers can cause BIND to exit with an assertion failure when processing a response that has
malformed RRSIGs.

Vulnerability Impact:
An attacker who is able to cause a server to perform a query
whose answer will be accompanied by malformed RRSIGs can deliberately cause a server to exit if
it is using the recursive ECS feature.

Affected Software/OS:
BIND 9.10.5-S1 through 9.11.6-S1.

Solution:
Update to version 9.11.7-S1 or later.

CVSS Score:
4.3

CVSS Vector:
AV:N/AC:M/Au:N/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2019-6469
CopyrightCopyright (C) 2021 Greenbone Networks GmbH

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