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Security Advisories: GSA_kwCzR0hTQS1oaGY4LWY1dzktZzZ2aM4AA6i0

OpenID Connect Authentication (oidc) Typo3 extension Authentication Bypass

The authentication service of the extension does not verify the OpenID Connect authentication state from the user lookup chain. Instead, the authentication service authenticates every valid frontend user from the user lookup chain, where the frontend user field “tx_oidc” is not empty.

In scenarios, where either ext:felogin is active or where $GLOBALS['TYPO3_CONF_VARS'][‘FE’][‘checkFeUserPid’] is disabled, an attacker can login to OpenID Connect frontend user accounts by providing a valid username and any password.

Permalink: https://github.com/advisories/GHSA-hhf8-f5w9-g6vh
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1oaGY4LWY1dzktZzZ2aM4AA6i0
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: 8 months ago
Updated: 8 months ago

CVSS Score: 6.0
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N/E:F/RL:O/RC:C

Identifiers: GHSA-hhf8-f5w9-g6vh, CVE-2024-30173
References:

• https://github.com/FriendsOfPHP/security-advisories/blob/master/causal/oidc/CVE-2024-30173.yaml
• https://typo3.org/security/advisory/typo3-ext-sa-2024-002
• https://github.com/advisories/GHSA-hhf8-f5w9-g6vh

Blast Radius: 1.0

Affected Packages