CVE-2004-2771 Command injection in n/a

High 7.5 Published Updated

Remote attackers can execute arbitrary commands via shell metacharacters in email addresses processed by the mailx utility.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2004-2771?

CVE-2004-2771 is a high-severity command injection vulnerability in Oracle Linux, published on 24 Dec 2014. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The expand function in fio.c in Heirloom mailx 12.5 and earlier and BSD mailx 8.1.2 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in an email address.

Weakness: CWE-20

Which versions are affected by CVE-2004-2771?

It affects 4 products.

Products include Bsd Mailx Project Bsd Mailx, Heirloom Mailx, Oracle Linux, Redhat Enterprise Linux.

How do I fix CVE-2004-2771?

Upgrade to a fixed version.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2004-2771 being exploited?

There is no known exploitation of CVE-2004-2771 in the wild and no public exploit code.

All Oracle Linux vulnerabilities

Sources

Also known as AZL-36961, AZL-6676, AZL-7286, DEBIAN-CVE-2004-2771, GHSA-3f68-9fxg-g2j6, UBUNTU-CVE-2004-2771.

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