CVE-2016-9450 Drupal Incorrect cache context on password reset page

High 7.5 Published Updated

Remote attackers can poison the cache via the password reset form, potentially exposing sensitive data or bypassing security controls in Drupal.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2016-9450?

CVE-2016-9450 is a high-severity vulnerability in Drupal Drupal, published on 25 Nov 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The user password reset form in Drupal 8.x before 8.2.3 allows remote attackers to conduct cache poisoning attacks by leveraging failure to specify a correct cache context.

Weakness: CWE-345

Which versions are affected by CVE-2016-9450?

4 open source packages ship an affected version, including drupal/core and drupal/drupal. It affects 1 product.

PackageAffectedFixed in
drupal/core PackagistFrom 8.08.2.3
drupal/core PackagistFrom 8.08.2.3
drupal/drupal PackagistFrom 8.08.2.3
drupal/drupal PackagistFrom 8.08.2.3

Products include Drupal Drupal.

How do I fix CVE-2016-9450?

Upgrade drupal/core to 8.2.3 or later.

Is CVE-2016-9450 being exploited?

There is no known exploitation of CVE-2016-9450 in the wild and no public exploit code.

All Drupal Drupal vulnerabilities

Sources

Also known as GHSA-98w5-wqp9-w466.

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