RHEL 7 : httpd (RHSA-2022:0143)

critical Nessus Plugin ID 156774

Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:0143 advisory.

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

Security Fix(es):

* httpd: mod_lua: Possible buffer overflow when parsing multipart content (CVE-2021-44790)

* httpd: mod_session: Heap overflow via a crafted SessionHeader value (CVE-2021-26691)

* httpd: NULL pointer dereference via malformed requests (CVE-2021-34798)

* httpd: Out-of-bounds write in ap_escape_quotes() via malicious input (CVE-2021-39275)

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 these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL httpd package based on the guidance in RHSA-2022:0143.

See Also

http://www.nessus.org/u?34a54302

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

https://access.redhat.com/errata/RHSA-2022:0143

https://bugzilla.redhat.com/show_bug.cgi?id=1966732

https://bugzilla.redhat.com/show_bug.cgi?id=2005119

https://bugzilla.redhat.com/show_bug.cgi?id=2005128

https://bugzilla.redhat.com/show_bug.cgi?id=2034674

Plugin Details

Severity: Critical

ID: 156774

File Name: redhat-RHSA-2022-0143.nasl

Version: 1.12

Type: local

Agent: unix

Published: 1/17/2022

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

Vendor

Vendor Severity: Important

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-2021-44790

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, cpe:/o:redhat:enterprise_linux:7, 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_proxy_html, 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: 1/17/2022

Vulnerability Publication Date: 6/1/2021

Reference Information

CVE: CVE-2021-26691, CVE-2021-34798, CVE-2021-39275, CVE-2021-44790

CWE: 119, 476, 787

IAVA: 2021-A-0259-S, 2021-A-0440-S, 2021-A-0482, 2021-A-0604-S

RHSA: 2022:0143