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Fedora 26 : knot-resolver (2018-0c0671072b)

high Nessus Plugin ID 109702

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Synopsis

The remote Fedora host is missing a security update.

Description

Knot Resolver 2.3.0 (2018-04-23) ================================

Security

--------

 - fix CVE-2018-1110: denial of service triggered by malformed DNS messages (!550, !558, security!2, security!4)

 - increase resilience against slow lorris attack (security!5)

Bugfixes

--------

 - validation: fix SERVFAIL in case of CNAME to NXDOMAIN in a single zone (!538)

 - validation: fix SERVFAIL for DS . query (!544)

 - lib/resolve: don't send unecessary queries to parent zone (!513)

 - iterate: fix validation for zones where parent and child share NS (!543)

 - TLS: improve error handling and documentation (!536, !555, !559)

Improvements

------------

 - prefill: new module to periodically import root zone into cache (replacement for RFC 7706, !511)

 - network_listen_fd: always create end point for supervisor supplied file descriptor

 - use CPPFLAGS build environment variable if set (!547)

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected knot-resolver package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2018-0c0671072b

Plugin Details

Severity: High

ID: 109702

File Name: fedora_2018-0c0671072b.nasl

Version: 1.5

Type: local

Agent: unix

Published: 5/11/2018

Updated: 10/9/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2018-1110

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:knot-resolver, cpe:/o:fedoraproject:fedora:26

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 5/10/2018

Reference Information

CVE: CVE-2018-1110