CVE-2013-7273 Denial of service in n/a

Low 2.1 Published Updated

Local users can cause a denial of service preventing login by pressing cancel after entering a username when the user list is disabled.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2013-7273?

CVE-2013-7273 is a low-severity denial of service vulnerability in n/a, published on 29 Apr 2014. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

GNOME Display Manager (gdm) 3.4.1 and earlier, when disable-user-list is set to true, allows local users to cause a denial of service (unable to login) by pressing the cancel button after entering a user name.

Which versions are affected by CVE-2013-7273?

It affects 1 product.

Products include Gnome Gnome Display Manager.

How do I fix CVE-2013-7273?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2013-7273 being exploited?

There is no known exploitation of CVE-2013-7273 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2013-7273, GHSA-2w7j-hchq-jpj6.

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