Security Advisory WSO2-2020-0728¶
Published: August 17, 2020
Version: 1.0.0
Severity: Medium
CVSS Score: 6.5 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H)
AFFECTED PRODUCTS¶
- WSO2 API Manager : 3.0.0 or earlier
- WSO2 API Manager Analytics : 2.5.0, 2.2.0
- WSO2 API Microgateway : 2.2.0
- WSO2 Enterprise Integrator : 6.3.0, 6.2.0
- WSO2 Identity Server Analytics : 5.6.0 or earlier
OVERVIEW¶
It has been identified that Management Console is vulnerable to an XXE attack when updating an EventReceiver.
DESCRIPTION¶
In the event-receiver component, a secure processing feature has not been enabled for XML parsers 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 an affected product version, it is highly recommended to migrate to the latest released version to receive security fixes.
Otherwise, you may apply the relevant fixes to the product based on the public fix(s):
Info
If you are a WSO2 customer with a support subscription, use WSO2 Update Manager(WUM) updates in order to apply the fix to the affected versions.
CREDITS¶
WSO2 thanks, Krzysztof Przybylski for responsibly reporting the identified issue and working with us as we addressed it.