RHEL 8 : httpd:2.4 (RHSA-2021:3837)

critical Nessus Plugin ID 154082

Synopsis

The remote Red Hat host is missing a security update.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:3837 advisory.

- httpd: mod_proxy: SSRF via a crafted request uri-path containing unix: (CVE-2021-40438)

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://cwe.mitre.org/data/definitions/918.html

https://access.redhat.com/security/cve/CVE-2021-40438

https://access.redhat.com/errata/RHSA-2021:3837

https://bugzilla.redhat.com/2005117

Plugin Details

Severity: Critical

ID: 154082

File Name: redhat-RHSA-2021-3837.nasl

Version: 1.6

Type: local

Agent: unix

Published: 10/13/2021

Updated: 1/26/2022

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

Risk Information

CVSS Score Source: CVE-2021-40438

VPR

Risk Factor: Critical

Score: 10

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

Temporal Vector: E:H/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9

Temporal Score: 8.6

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

Temporal Vector: E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:rhel_e4s:8.1, cpe:/o:redhat:rhel_eus:8.1, p-cpe:/a:redhat:enterprise_linux:httpd, p-cpe:/a:redhat:enterprise_linux:httpd-devel, p-cpe:/a:redhat:enterprise_linux:httpd-filesystem, p-cpe:/a:redhat:enterprise_linux:httpd-manual, p-cpe:/a:redhat:enterprise_linux:httpd-tools, p-cpe:/a:redhat:enterprise_linux:mod_http2, p-cpe:/a:redhat:enterprise_linux:mod_ldap, p-cpe:/a:redhat:enterprise_linux:mod_md, p-cpe:/a:redhat:enterprise_linux:mod_proxy_html, p-cpe:/a:redhat:enterprise_linux:mod_session, p-cpe:/a:redhat:enterprise_linux:mod_ssl

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/13/2021

Vulnerability Publication Date: 9/16/2021

CISA Known Exploited Dates: 12/15/2021

Reference Information

CVE: CVE-2021-40438

RHSA: 2021:3837

IAVA: 2021-A-0440-S

CWE: 918