CVE-2018-9148 Auth bypass in n/a

Critical 9.8 Published 30 Mar 2018 Updated 5 Aug 2024

Attackers can bypass authentication on WD My Cloud devices by listing directories to retrieve session tokens embedded in filenames.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-9148?

CVE-2018-9148 is a critical authentication bypass vulnerability in n/a, published on 30 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Western Digital WD My Cloud v04.05.00-320 devices embed the session token (aka PHPSESSID) in filenames, which makes it easier for attackers to bypass authentication by listing a directory. NOTE: this can be exploited in conjunction with CVE-2018-7171 for remote authentication bypass within a product that uses My Cloud.

Weakness: CWE-287

Which versions are affected by CVE-2018-9148?

It affects 1 product.

Products include Westerndigital My Cloud Firmware.

How do I fix CVE-2018-9148?

No fix has been published for CVE-2018-9148 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2018-9148 being exploited?

There is no known exploitation of CVE-2018-9148 in the wild and no public exploit code.

Sources

Also known as GHSA-hrr3-c733-fj52.