CVE-2013-4223: Medium severity Gentoo Nullmailer vulnerability
The Gentoo Nullmailer package before 1.11-r2 uses world-readable permissions for /etc/nullmailer/remotes, which allows local users to obtain SMTP authentication credentials by reading the file.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2013-4223?
CVE-2013-4223 has a medium severity rating due to the potential for local users to gain access to sensitive SMTP authentication credentials.
How do I fix CVE-2013-4223?
To fix CVE-2013-4223, update the Nullmailer package to version 1.11-r2 or later to ensure secure file permissions.
Which versions of Nullmailer are affected by CVE-2013-4223?
CVE-2013-4223 affects versions of Nullmailer prior to 1.11-r2.
What vulnerability does CVE-2013-4223 exploit?
CVE-2013-4223 exploits the world-readable permissions set on the /etc/nullmailer/remotes file, allowing unauthorized access to SMTP credentials.
Who is impacted by CVE-2013-4223?
Local users on systems running vulnerable versions of Nullmailer can be impacted by CVE-2013-4223 by accessing sensitive information.