Fedora 28 : krb5 (2019-ac7e19b0c8)

medium Nessus Plugin ID 121083

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Synopsis

The remote Fedora host is missing a security update.

Description

Improve memset hygiene in one location.

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Fix low-severity CVE-2018-20217 (an authenticated user who can obtain a TGT using an older encryption type (DES, DES3, or RC4) can cause an assertion failure in the KDC by sending an S4U2Self request.)

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 krb5 package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2019-ac7e19b0c8

Plugin Details

Severity: Medium

ID: 121083

File Name: fedora_2019-ac7e19b0c8.nasl

Version: 1.4

Type: local

Agent: unix

Published: 1/11/2019

Updated: 2/26/2020

Supported Sensors: Frictionless Assessment Agent, Nessus Agent

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 3.5

Temporal Score: 2.6

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:krb5, cpe:/o:fedoraproject:fedora:28

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/11/2019

Vulnerability Publication Date: 12/26/2018

Reference Information

CVE: CVE-2018-20217