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Fedora 27 : krb5 (2017-7a22a80c7e)

critical Nessus Plugin ID 105909

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Synopsis

The remote Fedora host is missing a security update.

Description

- Prevent applications from accidentally implementing CVE-2017-11462 (double free if sec_context is copied).

 - fc26+: Add ccselect hostrealm module for ccache selection based on service hostname.

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-2017-7a22a80c7e

Plugin Details

Severity: Critical

ID: 105909

File Name: fedora_2017-7a22a80c7e.nasl

Version: 3.5

Type: local

Agent: unix

Published: 1/15/2018

Updated: 1/6/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

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

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:krb5, cpe:/o:fedoraproject:fedora:27

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

Patch Publication Date: 9/30/2017

Vulnerability Publication Date: 9/13/2017

Reference Information

CVE: CVE-2017-11462