RHEL 8 : httpd:2.4 (RHSA-2021:1809)

critical Nessus Plugin ID 149696

Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:1809 advisory.

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

Security Fix(es):

* httpd: mod_session_cookie does not respect expiry time (CVE-2018-17199)

* httpd: mod_proxy_uwsgi buffer overflow (CVE-2020-11984)

* httpd: mod_http2 concurrent pool usage (CVE-2020-11993)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from 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 these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?862005a9

http://www.nessus.org/u?a4656dc2

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

https://access.redhat.com/errata/RHSA-2021:1809

https://bugzilla.redhat.com/show_bug.cgi?id=1651376

https://bugzilla.redhat.com/show_bug.cgi?id=1668493

https://bugzilla.redhat.com/show_bug.cgi?id=1680118

https://bugzilla.redhat.com/show_bug.cgi?id=1847585

https://bugzilla.redhat.com/show_bug.cgi?id=1866563

https://bugzilla.redhat.com/show_bug.cgi?id=1866564

https://bugzilla.redhat.com/show_bug.cgi?id=1872828

https://bugzilla.redhat.com/show_bug.cgi?id=1875844

https://bugzilla.redhat.com/show_bug.cgi?id=1891594

https://bugzilla.redhat.com/show_bug.cgi?id=1891829

https://bugzilla.redhat.com/show_bug.cgi?id=1918741

Plugin Details

Severity: Critical

ID: 149696

File Name: redhat-RHSA-2021-1809.nasl

Version: 1.12

Type: local

Agent: unix

Published: 5/19/2021

Updated: 6/3/2024

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: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2020-11984

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:httpd-devel, p-cpe:/a:redhat:enterprise_linux:httpd-filesystem, p-cpe:/a:redhat:enterprise_linux:mod_http2, p-cpe:/a:redhat:enterprise_linux:mod_proxy_html, p-cpe:/a:redhat:enterprise_linux:mod_ssl, p-cpe:/a:redhat:enterprise_linux:httpd-tools, p-cpe:/a:redhat:enterprise_linux:httpd-manual, p-cpe:/a:redhat:enterprise_linux:mod_session, p-cpe:/a:redhat:enterprise_linux:mod_md, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:mod_ldap, p-cpe:/a:redhat:enterprise_linux: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: 5/18/2021

Vulnerability Publication Date: 1/22/2019

Reference Information

CVE: CVE-2018-17199, CVE-2020-11984, CVE-2020-11993

CWE: 400, 613

IAVA: 2019-A-0033-S, 2020-A-0376-S, 2021-A-0032

RHSA: 2021:1809