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CentOS 7 : ipsilon (CESA-2016:2809)

critical Nessus Plugin ID 95355

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Synopsis

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

Description

An update for ipsilon 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 ipsilon packages provide the Ipsilon identity provider service for federated single sign-on (SSO). Ipsilon links authentication providers and applications or utilities to allow for SSO. It includes a server and utilities to configure Apache-based service providers.

Security Fix(es) :

* A vulnerability was found in ipsilon in the SAML2 provider's handling of sessions. An attacker able to hit the logout URL could determine what service providers other users are logged in to and terminate their sessions. (CVE-2016-8638)

This issue was discovered by Patrick Uiterwijk (Red Hat) and Howard Johnson.

Solution

Update the affected ipsilon packages.

See Also

http://www.nessus.org/u?9053d703

Plugin Details

Severity: Critical

ID: 95355

File Name: centos_RHSA-2016-2809.nasl

Version: 3.9

Type: local

Agent: unix

Published: 11/28/2016

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2016-8638

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

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

Vulnerability Information

CPE: p-cpe:/a:centos:centos:ipsilon-client, cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:ipsilon-tools-ipa, p-cpe:/a:centos:centos:ipsilon-authgssapi, p-cpe:/a:centos:centos:ipsilon-filesystem, p-cpe:/a:centos:centos:ipsilon-base, p-cpe:/a:centos:centos:ipsilon-infosssd, p-cpe:/a:centos:centos:ipsilon-persona, p-cpe:/a:centos:centos:ipsilon-saml2, p-cpe:/a:centos:centos:ipsilon-saml2-base, p-cpe:/a:centos:centos:ipsilon-authldap, p-cpe:/a:centos:centos:ipsilon, p-cpe:/a:centos:centos:ipsilon-authform

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/25/2016

Vulnerability Publication Date: 7/12/2017

Reference Information

CVE: CVE-2016-8638

RHSA: 2016:2809