Detections
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CentOS 8 : go-toolset:rhel8 (CESA-2021:4156)

high Nessus Plugin ID 155083

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Synopsis

The remote CentOS host is missing one or more security updates.

Description

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:4156 advisory.

 - golang: net: lookup functions may return invalid host names (CVE-2021-33195)

 - golang: net/http/httputil: ReverseProxy forwards connection headers if first one is empty (CVE-2021-33197)

 - golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents (CVE-2021-33198)

 - golang: net/http/httputil: panic due to racy read of persistConn after handler panic (CVE-2021-36221)

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 packages.

See Also

https://access.redhat.com/errata/RHSA-2021:4156

Plugin Details

Severity: High

ID: 155083

File Name: centos8_RHSA-2021-4156.nasl

Version: 1.3

Type: local

Agent: unix

Published: 11/11/2021

Updated: 11/24/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2021-33195

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.6

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

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

Vulnerability Information

CPE: cpe:/o:centos:centos:8-stream, p-cpe:/a:centos:centos:golang-race, p-cpe:/a:centos:centos:golang-misc, p-cpe:/a:centos:centos:golang-src, p-cpe:/a:centos:centos:golang-docs, p-cpe:/a:centos:centos:golang, p-cpe:/a:centos:centos:golang-bin, p-cpe:/a:centos:centos:golang-tests, p-cpe:/a:centos:centos:delve, p-cpe:/a:centos:centos:go-toolset

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/9/2021

Vulnerability Publication Date: 8/2/2021

Reference Information

CVE: CVE-2021-33195, CVE-2021-33197, CVE-2021-33198, CVE-2021-36221

RHSA: 2021:4156