GHSA-4qx8-j9vh-2628 silverstripe/framework's User-Agent header not correctly invalidating user session

Not scored Published

Attackers can hijack user sessions because the framework fails to invalidate sessions when the User-Agent header changes.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is GHSA-4qx8-j9vh-2628?

GHSA-4qx8-j9vh-2628 is a vulnerability in silverstripe/framework, published on 27 May 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A security protection device in Session designed to protect session hijacking was not correctly functioning. This function intended to protect user sessions by detecting changes in the User-Agent header, but modifications to this header were not correctly invalidating the user session.

Which versions are affected by GHSA-4qx8-j9vh-2628?

4 open source packages ship an affected version, including silverstripe/framework.

PackageAffectedFixed in
silverstripe/framework PackagistFrom 3.5.0-rc13.5.6
silverstripe/framework PackagistFrom 3.5.0-rc13.5.6
silverstripe/framework PackagistFrom 3.6.0-rc13.6.3
silverstripe/framework PackagistFrom 3.6.0-rc13.6.3

How do I fix GHSA-4qx8-j9vh-2628?

Upgrade silverstripe/framework to a fixed version for your release line: 3.5.6 or 3.6.3.

Is GHSA-4qx8-j9vh-2628 being exploited?

There is no known exploitation of GHSA-4qx8-j9vh-2628 in the wild and no public exploit code.

Sources

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