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

critical Nessus Plugin ID 149696
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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.

- 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)

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/119.html

https://cwe.mitre.org/data/definitions/400.html

https://cwe.mitre.org/data/definitions/613.html

https://access.redhat.com/security/cve/CVE-2018-17199

https://access.redhat.com/security/cve/CVE-2020-11984

https://access.redhat.com/security/cve/CVE-2020-11993

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

https://bugzilla.redhat.com/1668493

https://bugzilla.redhat.com/1866563

https://bugzilla.redhat.com/1866564

Plugin Details

Severity: Critical

ID: 149696

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

Version: 1.4

Type: local

Agent: unix

Published: 5/19/2021

Updated: 10/7/2021

Dependencies: ssh_get_info.nasl, redhat_repos.nasl

Risk Information

CVSS Score Source: CVE-2020-11984

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.4, cpe:/o:redhat:rhel_e4s:8.4, cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:rhel_tus:8.4, 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 Ease: No known 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

RHSA: 2021:1809

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

CWE: 119, 400, 613