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Steam Socialite Provider v1 does not correctly validate openid server

Critical
atymic published GHSA-hhw9-35p2-q2c5 Jan 29, 2021

Package

composer socialiteproviders/steam (Composer)

Affected versions

<1.1

Patched versions

>3.0

Description

Impact

The outdated version 1 of the Steam Socialite Provider doesn't check properly if the login comes from steamcommunity.com, allowing a malicious actor to substitute their own openID server.

Patches

This vulnerability only affects the outdated v1.x versions of the package. These are no longer maintained, users should upgrade to v3 or v4, which use a hardcoded endpoint to verify the login.

For more information

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Severity

Critical

CVE ID

No known CVE

Weaknesses

No CWEs

Credits