CVE-2007-3048 Auth bypass in n/a

High 7.2 Published 5 Jun 2007 Updated 7 Aug 2024

Local users can bypass screen lock authentication by sending a CTRL-C sequence at the password prompt, allowing unauthorized access to the session.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2007-3048?

CVE-2007-3048 is a high-severity authentication bypass vulnerability in n/a, published on 5 Jun 2007. 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

GNU screen 4.0.3 allows local users to unlock the screen via a CTRL-C sequence at the password prompt. NOTE: multiple third parties report inability to reproduce this issue

Which versions are affected by CVE-2007-3048?

It affects 1 product.

Products include Gnu Screen.

How do I fix CVE-2007-3048?

No fix has been published for CVE-2007-3048 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-2007-3048 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-3048 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-6g78-xjg6-m9rm.