CentOS 7 : mod_auth_mellon (CESA-2019:0766)

high Nessus Plugin ID 124093

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Synopsis

The remote CentOS host is missing one or more security updates.

Description

An update for mod_auth_mellon is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The mod_auth_mellon module for the Apache HTTP Server is an authentication service that implements the SAML 2.0 federation protocol. The module grants access based on the attributes received in assertions generated by an IdP server.

Security Fix(es) :

* mod_auth_mellon: authentication bypass in ECP flow (CVE-2019-3878)

* mod_auth_mellon: open redirect in logout url when using URLs with backslashes (CVE-2019-3877)

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.

Bug Fix(es) :

* mod_auth_mellon Cert files name wrong when hostname contains a number (fixed in upstream package) (BZ#1697487)

Solution

Update the affected mod_auth_mellon packages.

Plugin Details

Severity: High

ID: 124093

File Name: centos_RHSA-2019-0766.nasl

Version: 1.4

Type: local

Agent: unix

Family: CentOS Local Security Checks

Published: 4/17/2019

Updated: 1/23/2020

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2019-3878

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:H/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:centos:centos:mod_auth_mellon, p-cpe:/a:centos:centos:mod_auth_mellon-diagnostics, cpe:/o:centos:centos:7

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/16/2019

Vulnerability Publication Date: 3/26/2019

Reference Information

CVE: CVE-2019-3877, CVE-2019-3878

RHSA: 2019:0766

Detections

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