Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2013.1396
Moderate: xinetd security update
8 October 2013
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: xinetd
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 5
Red Hat Enterprise Linux WS/Desktop 5
Red Hat Enterprise Linux Server 6
Red Hat Enterprise Linux WS/Desktop 6
Impact/Access: Root Compromise -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2013-4342
Original Bulletin:
https://rhn.redhat.com/errata/RHSA-2013-1409.html
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Red Hat Security Advisory
Synopsis: Moderate: xinetd security update
Advisory ID: RHSA-2013:1409-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-1409.html
Issue date: 2013-10-07
Keywords: xinetd
CVE Names: CVE-2013-4342
=====================================================================
1. Summary:
An updated xinetd package that fixes one security issue is now available
for Red Hat Enterprise Linux 5 and 6.
The Red Hat Security Response Team has rated this update as having moderate
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
3. Description:
The xinetd package provides a secure replacement for inetd, the Internet
services daemon. xinetd provides access control for all services based on
the address of the remote host and/or on time of access, and can prevent
denial-of-access attacks.
It was found that xinetd ignored the user and group configuration
directives for services running under the tcpmux-server service. This flaw
could cause the associated services to run as root. If there was a flaw in
such a service, a remote attacker could use it to execute arbitrary code
with the privileges of the root user. (CVE-2013-4342)
Red Hat would like to thank Thomas Swan of FedEx for reporting this issue.
All xinetd users are advised to upgrade to this updated package, which
contains a backported patch to correct this issue.
4. Solution:
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to use the
Red Hat Network to apply this update are available at
https://access.redhat.com/site/articles/11258
5. Bugs fixed (http://bugzilla.redhat.com/):
1006100 - CVE-2013-4342 xinetd: ignores user and group directives for tcpmux services
6. Package List:
Red Hat Enterprise Linux Desktop (v. 5 client):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/xinetd-2.3.14-20.el5_10.src.rpm
i386:
xinetd-2.3.14-20.el5_10.i386.rpm
xinetd-debuginfo-2.3.14-20.el5_10.i386.rpm
x86_64:
xinetd-2.3.14-20.el5_10.x86_64.rpm
xinetd-debuginfo-2.3.14-20.el5_10.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/xinetd-2.3.14-20.el5_10.src.rpm
i386:
xinetd-2.3.14-20.el5_10.i386.rpm
xinetd-debuginfo-2.3.14-20.el5_10.i386.rpm
ia64:
xinetd-2.3.14-20.el5_10.ia64.rpm
xinetd-debuginfo-2.3.14-20.el5_10.ia64.rpm
ppc:
xinetd-2.3.14-20.el5_10.ppc.rpm
xinetd-debuginfo-2.3.14-20.el5_10.ppc.rpm
s390x:
xinetd-2.3.14-20.el5_10.s390x.rpm
xinetd-debuginfo-2.3.14-20.el5_10.s390x.rpm
x86_64:
xinetd-2.3.14-20.el5_10.x86_64.rpm
xinetd-debuginfo-2.3.14-20.el5_10.x86_64.rpm
Red Hat Enterprise Linux Desktop (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/xinetd-2.3.14-39.el6_4.src.rpm
i386:
xinetd-2.3.14-39.el6_4.i686.rpm
xinetd-debuginfo-2.3.14-39.el6_4.i686.rpm
x86_64:
xinetd-2.3.14-39.el6_4.x86_64.rpm
xinetd-debuginfo-2.3.14-39.el6_4.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/xinetd-2.3.14-39.el6_4.src.rpm
x86_64:
xinetd-2.3.14-39.el6_4.x86_64.rpm
xinetd-debuginfo-2.3.14-39.el6_4.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/xinetd-2.3.14-39.el6_4.src.rpm
i386:
xinetd-2.3.14-39.el6_4.i686.rpm
xinetd-debuginfo-2.3.14-39.el6_4.i686.rpm
ppc64:
xinetd-2.3.14-39.el6_4.ppc64.rpm
xinetd-debuginfo-2.3.14-39.el6_4.ppc64.rpm
s390x:
xinetd-2.3.14-39.el6_4.s390x.rpm
xinetd-debuginfo-2.3.14-39.el6_4.s390x.rpm
x86_64:
xinetd-2.3.14-39.el6_4.x86_64.rpm
xinetd-debuginfo-2.3.14-39.el6_4.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/xinetd-2.3.14-39.el6_4.src.rpm
i386:
xinetd-2.3.14-39.el6_4.i686.rpm
xinetd-debuginfo-2.3.14-39.el6_4.i686.rpm
x86_64:
xinetd-2.3.14-39.el6_4.x86_64.rpm
xinetd-debuginfo-2.3.14-39.el6_4.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package
7. References:
https://www.redhat.com/security/data/cve/CVE-2013-4342.html
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2013 Red Hat, Inc.
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