Security Vulnerability: Faulty URL parameter sanitization allows HTML injection into the SAML login page
Date published | Nov 8, 2023 |
|---|---|
Summary | Faulty sanitization allows remote attackers to inject arbitrary web script or HTML via URL parameters on the SAML POST binding login servlet in Kantega SSO Enterprise. |
CVE ID | |
Affected apps | Kantega SAML SSO OIDC Kerberos Single Sign-on for Jira |
Affected versions | All versions between 4.4.2 - 4.14.8, 5.0.0 - 5.11.4 and 6.0.0 - 6.19.0 |
Affected product feature | Identity Providers > SAML > Advanced SAML Settings > POST binding |
Patched versions | Starting from 6.20.0. Backport patches: 5.11.5, 4.14.9
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Summary of vulnerability
SAML SSO configurations using SAML POST binding (configured in Advanced SAML settings) are vulnerable to cross-site scripting through HTML injection in URL parameters. The vulnerability only applies if you have activated Enable POST binding in Identity Providers > your identity provider > Advanced SAML settings:
Affected Kantega SSO Enterprise versions
The below table highlights which versions are affected. We have released a patch in version 6.20.0 of Kantega SSO Enterprise for all host products, and a backport version in 5.11.5.
Affected apps | Vulnerability criteria | Fixes |
|---|---|---|
Kantega SAML SSO OIDC Kerberos Single Sign-on for Jira Data Center Kantega SAML SSO OIDC Kerberos Single Sign-on for Jira Server | Your installation is vulnerable if all the following statements are true:
| Option 1: Update Kantega SSO Enterprise to version >= 6.20.0 or to backports version 5.11.5 or version 4.14.9 Option 2: Disable POST binding in advanced SAML settings and use default redirect binding Option 3: Configure a new Identity provider using OpenID Connect and disable SAML |
Kantega SAML SSO OIDC Kerberos Single Sign-on for Confluence Data Center Kantega SAML SSO OIDC Kerberos Single Sign-on for Confluence Server | Your installation is vulnerable to the exploit if all the following statements are true:
| Option 1: Update Kantega SSO Enterprise to version >= 6.20.0 or to backport version 5.11.5 or version 4.14.9 Option 2: Disable POST binding in advanced SAML settings and use default redirect binding Option 3: Configure a new Identity provider using OpenID Connect and disable SAML |
Kantega SAML SSO OIDC Kerberos Single Sign-on for Bitbucket Data Center Kantega SAML SSO OIDC Kerberos Single Sign-on for Bitbucket Server | Your installation is vulnerable if all the following statements are true:
| Option 1: Update Kantega SSO Enterprise to version >= 6.20.0 or to backport version 5.11.5 or version 4.14.9 Option 2: Disable POST binding in advanced SAML settings and use default redirect binding Option 3: Configure a new Identity provider using OpenID Connect and disable SAML |
Kantega SAML SSO OIDC Kerberos Single Sign-on for Bamboo Server
Kantega SAML SSO OIDC Kerberos Single Sign-on for Bamboo Data Center | Your installation is vulnerable to the exploit if all the following statements are true:
Same as for Server, but only versions between 5.6.2 - 6.19.0 | Option 1: Update Kantega SSO Enterprise to version >= 6.20.0 or to backport version 5.11.5 or version 4.14.9 Option 2: Disable POST binding in advanced SAML settings and use default redirect binding Option 3: Configure a new Identity provider using OpenID Connect and disable SAML |
Your installation is vulnerable if all the following statements are true:
| Option 1: Update Kantega SSO Enterprise to version 4.14.9 Option 2: Disable POST binding in advanced SAML settings and use default redirect binding Option 3: Configure a new Identity provider using OpenID Connect and disable SAML |
Support
Please raise a ticket in our help center send an email to security@kantega-sso.com if you have any questions or concerns.
Changelog
Jan 4, 2024 Update summary table with CVE ID
Nov 12, 2023 More updates about backport version 4.14.9
Nov 10, 2023 Updates about backport version and support contact, and more details
Nov 9, 2023 Updates about remediation
Nov 8, 2023 Initial publication