CVE-2003-0740 Information disclosure in n/a

Medium 4.6 Published Updated

Local attackers can hijack the Stunnel server by exploiting a leaked privileged file descriptor, leading to potential privilege escalation.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2003-0740?

CVE-2003-0740 is a medium-severity vulnerability in n/a, published on 4 Sep 2003. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Stunnel 4.00, and 3.24 and earlier, leaks a privileged file descriptor returned by listen(), which allows local users to hijack the Stunnel server.

Which versions are affected by CVE-2003-0740?

It affects 1 product.

Products include Stunnel Stunnel.

How do I fix CVE-2003-0740?

Upgrade to a fixed version.

Is CVE-2003-0740 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2003-0740 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as DEBIAN-CVE-2003-0740, GHSA-94h5-4g3p-4v6g.

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