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CBL Mariner 2.0 Security Update: httpd (CVE-2020-13950)

high Nessus Plugin ID 172901

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-2020-13950 advisory.

 - Apache HTTP Server versions 2.4.41 to 2.4.46 mod_proxy_http can be made to crash (NULL pointer dereference) with specially crafted requests using both Content-Length and Transfer-Encoding headers, leading to a Denial of Service (CVE-2020-13950)

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://nvd.nist.gov/vuln/detail/CVE-2020-13950

Plugin Details

Severity: High

ID: 172901

File Name: mariner_httpd_CVE-2020-13950.nasl

Version: 1.0

Type: local

Published: 3/20/2023

Updated: 3/20/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2020-13950

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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-2020-13950