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Fedora 27 : knot-resolver (2018-eb9ca8b218)

medium Nessus Plugin ID 111719

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Synopsis

The remote Fedora host is missing a security update.

Description

Knot Resolver 2.4.1 (2018-08-02) ================================

Security

--------

 - fix CVE-2018-10920: Improper input validation bug in DNS resolver component (security!7, security!9)

Bugfixes

--------

 - cache: fix TTL overflow in packet due to min_ttl (#388, security!8)

 - TLS session resumption: avoid bad scheduling of rotation (#385)

 - HTTP module: fix a regression in 2.4.0 which broke custom certs (!632)

 - cache: NSEC3 negative cache even without NS record (#384) This fixes lower hit rate in NSEC3 zones (since 2.4.0).

 - minor TCP and TLS fixes (!623, !624, !626)

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-eb9ca8b218

Plugin Details

Severity: Medium

ID: 111719

File Name: fedora_2018-eb9ca8b218.nasl

Version: 1.5

Type: local

Agent: unix

Published: 8/15/2018

Updated: 1/6/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

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

CVSS v3

Risk Factor: Medium

Base Score: 6.8

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

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:knot-resolver, cpe:/o:fedoraproject:fedora:27

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

Patch Publication Date: 8/14/2018

Vulnerability Publication Date: 8/2/2018

Reference Information

CVE: CVE-2018-10920