RHEL 8 : Red Hat OpenStack Platform 16.1.4 (etcd) (RHSA-2021:0916)

high Nessus Plugin ID 147868

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:0916 advisory.

- etcd: Large slice causes panic in decodeRecord method (CVE-2020-15106)

- etcd: DoS in wal/wal.go (CVE-2020-15112)

- etcd: directories created via os.MkdirAll are not checked for permissions (CVE-2020-15113)

- etcd: gateway can include itself as an endpoint resulting in resource exhaustion and leads to DoS (CVE-2020-15114)

- etcd: improper validation of passwords allow an attacker to guess or brute-force user's passwords (CVE-2020-15115)

- etcd: no authentication is performed against endpoints provided in the --endpoints flag (CVE-2020-15136)

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

Solution

Update the affected etcd package.

See Also

https://bugzilla.redhat.com/1868878

https://bugzilla.redhat.com/1868880

https://bugzilla.redhat.com/1868883

https://access.redhat.com/security/cve/CVE-2020-15106

https://access.redhat.com/security/cve/CVE-2020-15112

https://access.redhat.com/security/cve/CVE-2020-15113

https://access.redhat.com/security/cve/CVE-2020-15114

https://access.redhat.com/security/cve/CVE-2020-15115

https://access.redhat.com/security/cve/CVE-2020-15136

https://access.redhat.com/errata/RHSA-2021:0916

https://bugzilla.redhat.com/1868870

https://bugzilla.redhat.com/1868872

https://bugzilla.redhat.com/1868874

Plugin Details

Severity: High

ID: 147868

File Name: redhat-RHSA-2021-0916.nasl

Version: 1.11

Type: local

Agent: unix

Published: 3/17/2021

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: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

CVSS Score Source: CVE-2020-15136

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS Score Source: CVE-2020-15115

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:etcd

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: 3/17/2021

Vulnerability Publication Date: 8/5/2020

Reference Information

CVE: CVE-2020-15106, CVE-2020-15112, CVE-2020-15113, CVE-2020-15114, CVE-2020-15115, CVE-2020-15136

CWE: 285, 287, 305, 400

RHSA: 2021:0916