Security Advisory WSO2-2019-0600¶
Published: October 07, 2019
CVSS Score: 6.3 (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)
- WSO2 API Manager
- WSO2 API Manager Analytics
- WSO2 Enterprise Integrator
- WSO2 IS as Key Manager
- WSO2 Identity Server
- WSO2 Identity Server Analytics
It has been identified that the implementation of javax.xml.transform.TransformerFactory in jaggery components of WSO2 API Manager is vulnerable to XXE.
Secure parsing features have not been enabled in TransformerFactory usages in jaggery components of WSO2 API Manager to prevent XXE attacks.
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.
For latest versions of affected products¶
Apply the following patches based on your product version by following the instructions in the README file. If you have any questions, post them to email@example.com.
Download the relevant patches based on the products you use following the matrix below. Patches can also be downloaded from Security Patch Releases.
|WSO2 API Manager
|WSO2 Enterprise Integrator
|WSO2 IS as Key Manager
For other products¶
Upgrade the products to the latest released version which are not affected by this vulnerability.
If you are a WSO2 customer with a support subscription, use WSO2 Update Manager (WUM) updates in order to apply the fix. This patch is intended for WSO2 community (free) users.
If you are using newer versions of the 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.