CVE-2018-0492 Race condition in beep

High 7.0 Published Updated

A race condition in the setuid beep utility allows local attackers to escalate privileges to root.

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

What is CVE-2018-0492?

CVE-2018-0492 is a high-severity vulnerability in Debian Debian Linux, published on 3 Apr 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Johnathan Nightingale beep through 1.3.4, if setuid, has a race condition that allows local privilege escalation.

Weakness: CWE-362

Which versions are affected by CVE-2018-0492?

It affects 2 products.

Products include Beep Project Beep, Debian Debian Linux.

How do I fix CVE-2018-0492?

Apply the vendor's patch.

Is CVE-2018-0492 being exploited?

There is no known exploitation of CVE-2018-0492 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2018-0492, DLA-1338-1, DSA-4163-1, GHSA-wcqx-v7mj-x2h4, UBUNTU-CVE-2018-0492.

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