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Published: 14th October 2021

Version: 1.0.0

Severity: Medium

CVSS Score: 5.2 (CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L)


AFFECTED PRODUCTS

WSO2 API Manager : 2.6.0 , 3.0.0 , 3.1.0 , 3.2.0 , 4.0.0
WSO2 IS as Key Manager : 5.7.0 , 5.9.0 , 5.10.0
WSO2 Identity Server : 5.7.0 , 5.8.0 , 5.9.0 , 5.10.0 , 5.11.0


OVERVIEW

XML External Entity (XXE) vulnerability in the Management Console


DESCRIPTION

An XML External Entity vulnerability was identified in the file based service provider creation feature of the Management Console.


IMPACT

By leveraging the vulnerability, a malicious actor could read confidential files from the file system or access limited HTTP resources that are reachable (over HTTP GET requests) to the vulnerable product. The same vulnerability could be used to perform denial of service attack by exhausting server resources.


SOLUTION

If the latest version of the affected WSO2 product is not mentioned under the affected product list, you may migrate to the latest version to receive security fixes. Otherwise you may apply the relevant fixes to the product based on the public fix: https://github.com/wso2/carbon-identity-framework/pull/3472


Note: If you are a WSO2 customer with Support Subscription, please use WSO2 Updates in order to apply the fix.


CREDITS

WSO2 thanks, Hakan Bayır for responsibly reporting the identified issue and working with us as we addressed it.

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