Detections
Analytics

Oracle Linux 7 : httpd (ELSA-2022-0143)

critical Nessus Plugin ID 156797

Language:

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-0143 advisory.

 - In Apache HTTP Server versions 2.4.0 to 2.4.46 a specially crafted SessionHeader sent by an origin server could cause a heap overflow (CVE-2021-26691)

 - A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser (r:parsebody() called from Lua scripts). The Apache httpd team is not aware of an exploit for the vulnerability though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and earlier. (CVE-2021-44790)

 - Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier. (CVE-2021-34798)

 - ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier. (CVE-2021-39275)

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://linux.oracle.com/errata/ELSA-2022-0143.html

Plugin Details

Severity: Critical

ID: 156797

File Name: oraclelinux_ELSA-2022-0143.nasl

Version: 1.7

Type: local

Agent: unix

Published: 1/18/2022

Updated: 11/20/2023

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

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: 9.1

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:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:httpd, p-cpe:/a:oracle:linux:httpd-devel, p-cpe:/a:oracle:linux:httpd-manual, p-cpe:/a:oracle:linux:httpd-tools, p-cpe:/a:oracle:linux:mod_ldap, p-cpe:/a:oracle:linux:mod_proxy_html, p-cpe:/a:oracle:linux:mod_session, p-cpe:/a:oracle:linux:mod_ssl

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/18/2022

Vulnerability Publication Date: 6/6/2021

Reference Information

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

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