OneLogin SAML SSO <= 2.4.2 - Use of Vulnerable Component

2016-10-14 00:00
Sixto Martin

Strategic Overview

Status
Patched in 2.4.3
Affected Plugin
OneLogin SAML SSO
Affected Version
<= 2.4.2
CVSS
7.3High
Weakness type
CWE-347 · Improper Verification of Cryptographic Signature
CVE
CVE pending
View all OneLogin SAML SSO vulnerabilities

At a glance

This record tracks a high-severity Improper Verification of Cryptographic Signature vulnerability in the OneLogin SAML SSO WordPress plugin, affecting versions <= 2.4.2. It carries a CVSS score of 7.3 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 2.4.3; sites on affected versions should update now. Disclosed October 2016, reported by Sixto Martin.

Vulnerability Overview

The OneLogin SAML SSO plugin for WordPress is potentially vulnerable to SAML Signature Wrapping attack due to use of a less secure version of the php-saml library in versions up to, and including, 2.4.2.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user.

CWE-347: Improper Verification of Cryptographic Signature

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

Remediation

Update to version 2.4.3, or a newer patched version

How does WordSec protect against this?

The fix is the thing that ends this: OneLogin SAML SSO 2.4.3 closes this, and updating the plugin is the step that ends it.

  • Alerts

External References

Related records

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