Detections
Analytics

Fedora 27 : zsh (2018-019a32a468)

critical Nessus Plugin ID 108306

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Synopsis

The remote Fedora host is missing a security update.

Description

- avoid crash when copying empty hash table (CVE-2018-7549)

 - avoid NULL dereference when using ```${(PA)...}``` on an empty array (CVE-2018-7548)

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 zsh package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2018-019a32a468

Plugin Details

Severity: Critical

ID: 108306

File Name: fedora_2018-019a32a468.nasl

Version: 1.5

Type: local

Agent: unix

Published: 3/14/2018

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:zsh, cpe:/o:fedoraproject:fedora:27

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

Patch Publication Date: 3/13/2018

Vulnerability Publication Date: 2/27/2018

Reference Information

CVE: CVE-2018-7548, CVE-2018-7549