Public Date:
790940: CVE-2012-0862 xinetd: enables unintentional services over tcpmux port

The MITRE CVE dictionary describes this issue as:

builtins.c in Xinetd before 2.3.15 does not check the service type when the tcpmux-server service is enabled, which exposes all enabled services and allows remote attackers to bypass intended access restrictions via a request to tcpmux port 1.

Find out more about CVE-2012-0862 from the MITRE CVE dictionary dictionary and NIST NVD.


Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This flaw has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle:

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 2.6
Base Metrics AV:N/AC:H/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux version 5 (xinetd) RHSA-2013:1302 2013-09-30
Red Hat Enterprise Linux version 6 (xinetd) RHSA-2013:0499 2013-02-20


Red Hat would like to thank Thomas Swan of FedEx for reporting this issue.