RHEL 6 : zsh (RHSA-2020:0892)

high Nessus Plugin ID 134675

Synopsis

The remote Red Hat host is missing a security update.

Description

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:0892 advisory.

- zsh: insecure dropping of privileges when unsetting PRIVILEGED option (CVE-2019-20044)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected zsh and / or zsh-html packages.

See Also

https://access.redhat.com/security/cve/CVE-2019-20044

https://access.redhat.com/errata/RHSA-2020:0892

https://bugzilla.redhat.com/1804859

Plugin Details

Severity: High

ID: 134675

File Name: redhat-RHSA-2020-0892.nasl

Version: 1.7

Type: local

Agent: unix

Published: 3/18/2020

Updated: 1/23/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2019-20044

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:rhel_els:6, cpe:/o:redhat:rhel_eus:6.0, p-cpe:/a:redhat:enterprise_linux:zsh, p-cpe:/a:redhat:enterprise_linux:zsh-html

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/18/2020

Vulnerability Publication Date: 2/24/2020

Reference Information

CVE: CVE-2019-20044

CWE: 271

RHSA: 2020:0892