RHEL 7 : httpd24-httpd (RHSA-2021:3754)

critical Nessus Plugin ID 154019

Synopsis

The remote Red Hat host is missing a security update for httpd24-httpd.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:3754 advisory.

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.

Security Fix(es):

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

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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 RHEL httpd24-httpd package based on the guidance in RHSA-2021:3754.

See Also

http://www.nessus.org/u?14d17d71

https://access.redhat.com/security/updates/classification/#important

https://access.redhat.com/errata/RHSA-2021:3754

https://bugzilla.redhat.com/show_bug.cgi?id=2005117

Plugin Details

Severity: Critical

ID: 154019

File Name: redhat-RHSA-2021-3754.nasl

Version: 1.13

Type: local

Agent: unix

Published: 10/12/2021

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: High

Score: 8.1

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.6

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

CVSS Score Source: CVE-2021-40438

CVSS v3

Risk Factor: Critical

Base Score: 9

Temporal Score: 8.3

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:httpd24-httpd-manual, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:httpd24-mod_ldap, p-cpe:/a:redhat:enterprise_linux:httpd24-mod_session, p-cpe:/a:redhat:enterprise_linux:httpd24-httpd-devel, p-cpe:/a:redhat:enterprise_linux:httpd24-mod_proxy_html, p-cpe:/a:redhat:enterprise_linux:httpd24-mod_ssl, p-cpe:/a:redhat:enterprise_linux:httpd24-httpd-tools, p-cpe:/a:redhat:enterprise_linux:httpd24-httpd

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: 10/11/2021

Vulnerability Publication Date: 9/16/2021

CISA Known Exploited Vulnerability Due Dates: 12/15/2021

Reference Information

CVE: CVE-2021-40438

CWE: 918

IAVA: 2021-A-0440-S

RHSA: 2021:3754