CBL Mariner 2.0 Security Update: httpd (CVE-2021-26691)

critical Nessus Plugin ID 172960

Synopsis

The remote CBL Mariner host is missing one or more security updates.

Description

The version of httpd installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2021-26691 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)

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.

Plugin Details

Severity: Critical

ID: 172960

File Name: mariner_httpd_CVE-2021-26691.nasl

Version: 1.1

Type: local

Family: MarinerOS Local Security Checks

Published: 3/20/2023

Updated: 3/28/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2021-26691

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: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:microsoft:cbl-mariner:httpd, p-cpe:/a:microsoft:cbl-mariner:httpd-debuginfo, p-cpe:/a:microsoft:cbl-mariner:httpd-devel, p-cpe:/a:microsoft:cbl-mariner:httpd-docs, p-cpe:/a:microsoft:cbl-mariner:httpd-tools, p-cpe:/a:microsoft:cbl-mariner:mod_ldap, p-cpe:/a:microsoft:cbl-mariner:mod_proxy_html, p-cpe:/a:microsoft:cbl-mariner:mod_session, p-cpe:/a:microsoft:cbl-mariner:mod_ssl, x-cpe:/o:microsoft:cbl-mariner

Required KB Items: Host/local_checks_enabled, Host/CBLMariner/release, Host/CBLMariner/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 6/8/2021

Vulnerability Publication Date: 6/1/2021

Reference Information

CVE: CVE-2021-26691

Detections

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