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4.3.7
This release of Teleport contains a security fix and a bug fix.
Details
A vulnerability was discovered in the
github.com/russellhaering/goxmldsig
library which is used by Teleport to validate thesignatures of XML files used to configure SAML 2.0 connectors. With a carefully crafted XML file, an attacker can completely
bypass XML signature validation and pass off an altered file as a signed one.
Actions
The
goxmldsig
library has been updated upstream and Teleport 4.3.7 includes the fix. Any Enterprise SSO users using Okta,Active Directory, OneLogin or custom SAML connectors should upgrade their auth servers to version 4.3.7 and restart Teleport.
If you are unable to upgrade immediately, we suggest deleting SAML connectors for all clusters until the updates can be applied.
HTTP_PROXY
orHTTPS_PROXY
environment variables. #4271