High, CVSS 7.4MavenPublished
Insufficient Nonce Validation in Eclipse Milo Client
CVE-2019-19135 · GHSA-pq4w-qm9g-qx68
- Affected
- Maven org.eclipse.milo:sdk-client <= 0.3.4
- Fixed in
- 0.3.6· Vendor fix available
- Issue
- Impact Credential replay affecting those connected to a server when all 3 of the following conditions are met: - SecurityPolicy is None - using username/password or X509-based authentication - the server has a defect causing it to send null/empty or zeroed nonces Patches The problem has been patched in version 0.3.6. A more relaxed treatment of validation as agreed upon by the OPC UA Security Working Group is implemented in version 0.3.7. Workarounds Do not use username/password or X509-based authentication with SecurityPolicy of None. References https://opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2019-19135.pdf For more information If you have any questions or comments about this advisory: Open an issue at https://github.com/eclipse/milo/issues Email the mailing list
Recommended action: Upgrade to 0.3.6 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.