CVE-2017-13761 Fastly Magento2 sensitive information disclosure

Medium 6.5 Published Updated

Authenticated users can obtain sensitive session information via cached redirect responses in the Fastly CDN module for Magento2.

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 CVE-2017-13761?

CVE-2017-13761 is a medium-severity vulnerability in n/a, published on 14 Sep 2017. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Fastly CDN module before 1.2.26 for Magento2, when used with a third-party authentication plugin, might allow remote authenticated users to obtain sensitive information from authenticated sessions via vectors involving caching of redirect responses.

Weakness: CWE-200

Which versions are affected by CVE-2017-13761?

2 open source packages ship an affected version, including fastly/magento2. It affects 1 product.

PackageAffectedFixed in
fastly/magento2 PackagistAll versions1.2.26
fastly/magento2 PackagistAll versions1.2.26

Products include Fastly Fastly.

How do I fix CVE-2017-13761?

Upgrade fastly/magento2 to 1.2.26 or later.

Is CVE-2017-13761 being exploited?

There is no known exploitation of CVE-2017-13761 in the wild and no public exploit code.

Sources

Also known as GHSA-vpq9-c67q-23fq.

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