Bug ID 654046: BIG-IP as SAML IdP may fail to process signed authentication requests from some external SPs.

Last Modified: Mar 21, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP APM(all modules)

Known Affected Versions:
11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1, 11.5.4 HF2, 11.5.4 HF3, 11.5.4 HF4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 11.6.1, 11.6.1 HF1, 11.6.1 HF2, 11.6.2, 11.6.2 HF1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3, 12.1.3.1, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3

Fixed In:
13.1.0, 13.0.1, 12.1.3.2

Opened: Mar 28, 2017
Severity: 3-Major
Related AskF5 Article:
K22121533

Symptoms

When an external Service Provider (SP) canonicalizes authentication requests with the use of inclusive namespaces, a BIG-IP system used as SAML IdP may fail to process such requests. User's SSO will fail with following errors contained in /var/log/tmm: err tmm1[13063]: 014d0002:3: 9c7802e1: SSOv2 Digest from SAML message is invalid err tmm1[13063]: 014d0002:3: 9c7802e1: SSOv2 Error(12) Signature verification failed for SAML Authentication

Impact

Users are unable to perform SAML SSO with certain external service providers.

Conditions

- BIG-IP is used as SAML IdP. - User performs SP-initiated SAML SSO. - External SAML SP sends signed authentication request, in which canonicalization was done with use of inclusive namespaces.

Workaround

None.

Fix Information

Now BIG-IP APM as IdP SAML canonicalized authentication requests containing inclusive namespaces can be processed successfully.

Behavior Change