A new update is available for Red Hat Enterprise Linux. Here the announcement:
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Red Hat Security Advisory
Synopsis: Low: ntp security update
Advisory ID: RHSA-2006:0393-01
Advisory URL: https://rhn.redhat.com/errata/RHSA-2006-0393.html
Issue date: 2006-08-10
Updated on: 2006-08-10
Product: Red Hat Enterprise Linux
Keywords: ntp
CVE Names: CVE-2005-2496
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1. Summary:
Updated ntp packages that fix several bugs are now available.
This update has been rated as having low security impact by the Red Hat
Security Response Team.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64
3. Problem description:
The Network Time Protocol (NTP) is used to synchronize a computer's time
with a reference time source.
The NTP daemon (ntpd), when run with the -u option and using a string to
specify the group, uses the group ID of the user instead of the group,
which causes ntpd to run with different privileges than intended.
(CVE-2005-2496)
The following issues have also been addressed in this update:
- - The init script had several problems
- - The script executed on upgrade could fail
- - The man page for ntpd indicated the wrong option for specifying a chroot
directory
- - The ntp daemon could crash with the message "Exiting: No more memory!"
- - There is a new option for syncing the hardware clock after a successful
run of ntpdate
Users of ntp should upgrade to these updated packages, which resolve these
issues.
4. Solution:
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
This update is available via Red Hat Network. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
5. Bug IDs fixed (http://bugzilla.redhat.com/):
142926 - multiple problems with ntpd init.d script
149652 - CVE-2005-2496 improper group set when running ntpd
166773 - ntp %post scriptlet fails on upgrade, if ntpd is disabled.
177052 - ntpd dies with the error "Exiting: out of memory!"
187003 - ntpdate not invoked when supplying the -x option
6. RPMs required:
Red Hat Enterprise Linux AS version 4:
SRPMS:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/ntp-4.2.0.a.20040617-4.EL4.1.src.rpm
dff68ba8482fdd88684731e41e74dde1 ntp-4.2.0.a.20040617-4.EL4.1.src.rpm
i386:
aa4a319b232a09042e240c79f1dbb8b9 ntp-4.2.0.a.20040617-4.EL4.1.i386.rpm
d09b18e7e38dab6d7bc84a90030a60a2 ntp-debuginfo-4.2.0.a.20040617-4.EL4.1.i386.rpm
ia64:
76ef9ac685f13b5481ef4db219141c5d ntp-4.2.0.a.20040617-4.EL4.1.ia64.rpm
143e832e4208863a62cac77378ed991c ntp-debuginfo-4.2.0.a.20040617-4.EL4.1.ia64.rpm
ppc:
7ec8d69a2dc475c766672c6c1bc021f0 ntp-4.2.0.a.20040617-4.EL4.1.ppc.rpm
fdbba961648d4583e3d1992bf5d0f1a3 ntp-debuginfo-4.2.0.a.20040617-4.EL4.1.ppc.rpm
s390:
bf8c2f2493a1f5159defa9f4031a5932 ntp-4.2.0.a.20040617-4.EL4.1.s390.rpm
af5c21cc6f67a50ae239412faddab1b5 ntp-debuginfo-4.2.0.a.20040617-4.EL4.1.s390.rpm
s390x:
002a6130739bd420e49387531339197c ntp-4.2.0.a.20040617-4.EL4.1.s390x.rpm
1a3ae9557dea58b9bfd736c268bb7f31 ntp-debuginfo-4.2.0.a.20040617-4.EL4.1.s390x.rpm
x86_64:
b8dba251850ba2ae65cd0a26f3c30513 ntp-4.2.0.a.20040617-4.EL4.1.x86_64.rpm
0f466011249fa7f443e940d51adc9769 ntp-debuginfo-4.2.0.a.20040617-4.EL4.1.x86_64.rpm
Red Hat Enterprise Linux Desktop version 4:
SRPMS:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/ntp-4.2.0.a.20040617-4.EL4.1.src.rpm
dff68ba8482fdd88684731e41e74dde1 ntp-4.2.0.a.20040617-4.EL4.1.src.rpm
i386:
aa4a319b232a09042e240c79f1dbb8b9 ntp-4.2.0.a.20040617-4.EL4.1.i386.rpm
d09b18e7e38dab6d7bc84a90030a60a2 ntp-debuginfo-4.2.0.a.20040617-4.EL4.1.i386.rpm
x86_64:
b8dba251850ba2ae65cd0a26f3c30513 ntp-4.2.0.a.20040617-4.EL4.1.x86_64.rpm
0f466011249fa7f443e940d51adc9769 ntp-debuginfo-4.2.0.a.20040617-4.EL4.1.x86_64.rpm
Red Hat Enterprise Linux ES version 4:
SRPMS:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/ntp-4.2.0.a.20040617-4.EL4.1.src.rpm
dff68ba8482fdd88684731e41e74dde1 ntp-4.2.0.a.20040617-4.EL4.1.src.rpm
i386:
aa4a319b232a09042e240c79f1dbb8b9 ntp-4.2.0.a.20040617-4.EL4.1.i386.rpm
d09b18e7e38dab6d7bc84a90030a60a2 ntp-debuginfo-4.2.0.a.20040617-4.EL4.1.i386.rpm
ia64:
76ef9ac685f13b5481ef4db219141c5d ntp-4.2.0.a.20040617-4.EL4.1.ia64.rpm
143e832e4208863a62cac77378ed991c ntp-debuginfo-4.2.0.a.20040617-4.EL4.1.ia64.rpm
x86_64:
b8dba251850ba2ae65cd0a26f3c30513 ntp-4.2.0.a.20040617-4.EL4.1.x86_64.rpm
0f466011249fa7f443e940d51adc9769 ntp-debuginfo-4.2.0.a.20040617-4.EL4.1.x86_64.rpm
Red Hat Enterprise Linux WS version 4:
SRPMS:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/ntp-4.2.0.a.20040617-4.EL4.1.src.rpm
dff68ba8482fdd88684731e41e74dde1 ntp-4.2.0.a.20040617-4.EL4.1.src.rpm
i386:
aa4a319b232a09042e240c79f1dbb8b9 ntp-4.2.0.a.20040617-4.EL4.1.i386.rpm
d09b18e7e38dab6d7bc84a90030a60a2 ntp-debuginfo-4.2.0.a.20040617-4.EL4.1.i386.rpm
ia64:
76ef9ac685f13b5481ef4db219141c5d ntp-4.2.0.a.20040617-4.EL4.1.ia64.rpm
143e832e4208863a62cac77378ed991c ntp-debuginfo-4.2.0.a.20040617-4.EL4.1.ia64.rpm
x86_64:
b8dba251850ba2ae65cd0a26f3c30513 ntp-4.2.0.a.20040617-4.EL4.1.x86_64.rpm
0f466011249fa7f443e940d51adc9769 ntp-debuginfo-4.2.0.a.20040617-4.EL4.1.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://www.redhat.com/security/team/key/#package
7. References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2496
http://www.redhat.com/security/updates/classification/#low
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://www.redhat.com/security/team/contact/
Copyright 2006 Red Hat, Inc.
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