Security Advisory WSO2-2019-0635
Published: 07th October 2019
Severity: Medium
CVSS Score: 6.1 (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
WSO2 API Manager
WSO2 IS as Key Manager
WSO2 Identity Server
When a custom claim dialect with an XSS payload is configured in the identity provider basic claim configuration, that payload gets executed, if a user picks up the malicious dialect URI as the provisioning claim in advanced claim configuration of the same Identity Provider. The attacker also needs to have privileges to log in to the management console, add and update identity provider configurations.
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 | |
IS KM | WSO2 IS as Key Manager | 5.7.0 | |
IS | WSO2 Identity Server | 5.8.0 |
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.
CREDITS
WSO2 thanks, Sathish Kumar Balakrishnan (Cyber Security Works Pvt Ltd) for responsibly reporting the identified issue and working with us as we addressed them.