GHSA-r9vc-jfmh-6j48 TYPO3 frontend login vulnerable to Session Fixation

Not scored Published

Attackers can hijack user sessions by fixing session IDs before authentication, potentially gaining unauthorized access to authenticated accounts.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is GHSA-r9vc-jfmh-6j48?

GHSA-r9vc-jfmh-6j48 is an authentication bypass vulnerability in typo3/cms, published on 30 May 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

It has been discovered that TYPO3 is susceptible to session fixation. If a user authenticates while anonymous session data is present, the session id is not changed. This makes it possible for attackers to generate a valid session id, trick users into using this session id (e.g. by leveraging a different Cross-Site Scripting vulnerability) and then maybe getting access to an authenticated session.

Which versions are affected by GHSA-r9vc-jfmh-6j48?

4 open source packages ship an affected version, including typo3/cms.

PackageAffectedFixed in
typo3/cms PackagistFrom 6.2.06.2.14
typo3/cms PackagistFrom 6.2.06.2.14
typo3/cms PackagistFrom 7.0.07.3.1
typo3/cms PackagistFrom 7.0.07.3.1

How do I fix GHSA-r9vc-jfmh-6j48?

Upgrade typo3/cms to a fixed version for your release line: 6.2.14 or 7.3.1.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is GHSA-r9vc-jfmh-6j48 being exploited?

There is no known exploitation of GHSA-r9vc-jfmh-6j48 in the wild and no public exploit code.

Sources

Is GHSA-r9vc-jfmh-6j48 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free