RHEL 8 : httpd:2.4 (RHSA-2020:4751)

critical Nessus Plugin ID 142397
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-2020:4751 advisory.

- httpd: mod_http2: DoS via slow, unneeded request bodies (CVE-2018-17189)

- httpd: mod_http2: read-after-free on a string compare (CVE-2019-0196)

- httpd: mod_http2: possible crash on late upgrade (CVE-2019-0197)

- httpd: memory corruption on early pushes (CVE-2019-10081)

- httpd: read-after-free in h2 connection shutdown (CVE-2019-10082)

- httpd: limited cross-site scripting in mod_proxy error page (CVE-2019-10092)

- httpd: null-pointer dereference in mod_remoteip (CVE-2019-10097)

- httpd: mod_rewrite potential open redirect (CVE-2019-10098)

- httpd: mod_rewrite configurations vulnerable to open redirect (CVE-2020-1927)

- httpd: mod_proxy_ftp use of uninitialized value (CVE-2020-1934)

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/79.html

https://cwe.mitre.org/data/definitions/120.html

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

https://cwe.mitre.org/data/definitions/416.html

https://cwe.mitre.org/data/definitions/444.html

https://cwe.mitre.org/data/definitions/456.html

https://cwe.mitre.org/data/definitions/601.html

https://access.redhat.com/security/cve/CVE-2018-17189

https://access.redhat.com/security/cve/CVE-2019-0196

https://access.redhat.com/security/cve/CVE-2019-0197

https://access.redhat.com/security/cve/CVE-2019-10081

https://access.redhat.com/security/cve/CVE-2019-10082

https://access.redhat.com/security/cve/CVE-2019-10092

https://access.redhat.com/security/cve/CVE-2019-10097

https://access.redhat.com/security/cve/CVE-2019-10098

https://access.redhat.com/security/cve/CVE-2020-1927

https://access.redhat.com/security/cve/CVE-2020-1934

https://access.redhat.com/errata/RHSA-2020:4751

https://bugzilla.redhat.com/1668497

https://bugzilla.redhat.com/1695030

https://bugzilla.redhat.com/1695042

https://bugzilla.redhat.com/1743956

https://bugzilla.redhat.com/1743959

https://bugzilla.redhat.com/1743966

https://bugzilla.redhat.com/1743974

https://bugzilla.redhat.com/1743996

https://bugzilla.redhat.com/1820761

https://bugzilla.redhat.com/1820772

Plugin Details

Severity: Critical

ID: 142397

File Name: redhat-RHSA-2020-4751.nasl

Version: 1.6

Type: local

Agent: unix

Published: 11/4/2020

Updated: 7/21/2021

Dependencies: ssh_get_info.nasl, redhat_repos.nasl

Risk Information

CVSS Score Source: CVE-2019-10082

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

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

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 8.2

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

Temporal Vector: E:P/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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/4/2020

Vulnerability Publication Date: 1/22/2019

Reference Information

CVE: CVE-2018-17189, CVE-2019-0196, CVE-2019-0197, CVE-2019-10081, CVE-2019-10082, CVE-2019-10092, CVE-2019-10097, CVE-2019-10098, CVE-2020-1927, CVE-2020-1934

BID: 106685, 107665, 107669

RHSA: 2020:4751

IAVA: 2019-A-0033-S, 2019-A-0098-S, 2020-A-0140, 2020-A-0022, 2020-A-0326, 2020-A-0324

CWE: 79, 120, 400, 416, 444, 456, 601