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Security Advisory WSO2-2019-0600
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Security Advisory WSO2-2019-0600

Published: 07th October 2019

Severity: Medium

CVSS Score: 6.3 (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)


AFFECTED PRODUCTS

WSO2 API Manager

WSO2 API Manager Analytics

WSO2 Enterprise Integrator

WSO2 IS as Key Manager

WSO2 Identity Server

WSO2 Identity Server Analytics


OVERVIEW

It has been identified that the implementation of javax.xml.transform.TransformerFactory in jaggery components of WSO2 API Manager is vulnerable to XXE.

DESCRIPTION

Secure parsing features have not been enabled in TransformerFactory usages in jaggery components of WSO2 API Manager to prevent XXE attacks.


IMPACT

The XXE attacks can affect any trusted system respective to the machine where the parser is located. This attack may result in disclosing local files, denial of service, server-side request forgery, port scanning and other system impacts on affected systems.

SOLUTION

If you are using the latest released version of the above mentioned affected products


Apply the following patch based on your product version by following the instructions in the README file. If you have any questions, post them to security@wso2.com.

Please download the relevant patch based on the product you use following the matrix below. The patch can also be downloaded from http://wso2.com/security-patch-releases/.


Code

Product

Version

Patch

AM

WSO2 API Manager

2.6.0

WSO2-CARBON-PATCH-4.4.0-4357

EIWSO2 Enterprise Integrator6.5.0

WSO2-CARBON-PATCH-4.4.0-4860

IS KMWSO2 IS as Key Manager5.7.0

WSO2-CARBON-PATCH-4.4.0-4357


For other products


Upgrade the products to the latest released version which are not affected by this vulnerability.

Note: If you are a WSO2 customer with Support Subscription, please use WSO2 Update Manager (WUM) updates in order to apply the fix. This patch is intended for WSO2 community (free) users.


NOTES

If you are using newer versions of affected products than the ones mentioned in the “SOLUTION” section, this vulnerability is fixed. 

It is highly recommended to migrate older versions of the WSO2 products to the latest released version to receive security fixes.


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com.atlassian.confluence.content.render.xhtml.migration.exceptions.UnknownMacroMigrationException: The macro 'next_previous_links2' is unknown.