Red Hat DIRECTORY SERVER 7.1 SP7 - S Manuale di istruzioni

Red Hat Directory Server

7.1 SP7

Release Notes

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1. System Requirements ......................................................................................................2

2. Installing Directory Server 7.1 SP7 ....................................................................................4

2.1. Obtaining Packages ..............................................................................................4

2.2. Installing Directory Server 7.1 SP7 on Red Hat Enterprise Linux ..............................5

2.3. Installing Directory Server 7.1 SP7 on HP-UX and Sun Solaris .................................6

2.4. Installing Synchronization Services .........................................................................7

3. Bugs Fixed in Directory Server 7.1 SP7 .............................................................................8

4. Known Issues ................................................................................................................11

This is a service pack release for bug fixes and patches for the 7.1 version of Red Hat Directory Serv-

er. These Release Notes contain important information available at the time of the release of Red Hat

Directory Server 7.1 SP7. System requirements, installation notes, known problems, resources, and

other current issues are addressed here. Read this document before beginning to use Directory Serv-

er 7.1 SP7.

There are no new features in Directory Server 7.1 SP7.

1. System Requirements

This section contains information related to installing and upgrading Red Hat Directory Server 7.1

SP7, including prerequisites and hardware or platform requirements.

Directory Server Supported Platforms

Directory Server 7.1 SP7 is supported on the following platforms:

•HP-UX 11i (PA-RISC, 64-bit)

•Red Hat Enterprise Linux 3 Update 4 (i386, 32-bit)

•Red Hat Enterprise Linux 4 (i386, 32-bit)

•Sun Solaris 9 (SPARC, 32-bit)

•Sun Solaris 9 (SPARC, 64-bit)

Directory Server Console Supported Platforms

The Directory Server Console is supported on the following platforms:

•HP-UX 11i (PA-RISC, 64-bit)

•Red Hat Enterprise Linux 3 Update 4 (i386, 32-bit)

•Red Hat Enterprise Linux 4 (i386, 32-bit)

•Sun Solaris 9 (SPARC, 32-bit)

•Sun Solaris 9 (SPARC, 64-bit)

•Windows XP

Release Notes

•Windows 2000 Server

•Windows 2003 Server

NOTE

The Directory Server Console can be installed on additional Windows platforms at an

additional cost.

Windows Sync Service Platforms

The Windows Sync tool runs on these Windows platforms:

•Windows 2003 Active Directory

•Windows 2000 Active Directory

•Windows NT SAM Registry

Web Application Browser Support

Directory Server 7.1 SP7 supports the following browsers to access web-based interfaces, such as

Admin Express (for administrators), Org Chart, and Phonebook (for all users):

•Firefox 1.0 (Red Hat Enterprise Linux 3 and 4 and Solaris 9)

•Mozilla 1.4 (HP-UX)

•Mozilla 1.4.3 (Red Hat Enterprise Linux 3 and Solaris 9)

•Mozilla 1.7.3 (Red Hat Enterprise Linux 4)

•Microsoft Internet Explorer 6.0 (Windows; supported only for Org Chart and Phonebook)

NOTE

Red Hat Directory Server web tools like Admin Express and Org Chart are not suppor-

System Requirements

ted on Netscape browsers or any browser running on Mac.

2. Installing Directory Server 7.1 SP7

To install Directory Server 7.1 SP7 on Red Hat Enterprise Linux, simply download the RPM and either

upgrade the existing installation with the rpm -U flag, as described in Section 2.2, “Installing Directory

Server 7.1 SP7 on Red Hat Enterprise Linux”, or install a new Directory Server using the RPM pack-

age with the rpm -i flag and configure the server.

To install Directory Server 7.1 SP7 on HP-UX and Sun Solaris, download the packages from Red Hat

Network, extract the binaries, then run the setup command.

For instructions on installing and configuring Directory Server 7.1 SP7, see the Directory Server In-

stallation Guide, available at ht-

tp://1www.redhat.com/1docs/1manuals/1dir-server/1install/17.1/1index.html.

2.1. Obtaining Packages

Red Hat Network (RHN) (http://1rhn.redhat.com) is the software distribution mechanism for Red Hat

customers. When purchasing the entitlements for Red Hat Directory Server 7.1 SP7, you will also

have received account login information for Red Hat Network.

1. Log into Red Hat Network.

2. Go to the Channels tab, and select the Red Hat Directory Server 7.1 channel. Browse through the

complete channel list if needed.

3. Go to the Downloads tab in the Red Hat Directory Server 7.1 channel, and download the Red Hat

Directory Server packages.

NOTE

The files are tarball (.tar.gz) archive files, not ISO images.

ISO images containing both RPM and SRPM package files are available as downloads through the

Red Hat Directory Server 7.1 channel. The RPM packages can be downloaded and installed in the

usual manner. The ISO images can be downloaded and burned on to a CD-recordable media using

the appropriate software.

The Solaris 9 64-bit packages can be found there under the ISOs list, as well as the tarball (.tar.gz

file) archive for the source code.

Release Notes

2.2. Installing Directory Server 7.1 SP7 on Red Hat Enterprise Linux

On Red Hat Enterprise Linux, it is possible to upgrade an existing installation with the rpm -U flag or

install a new Directory Server using the RPM package with the rpm -i flag.

NOTE

RPMs for Directory Server 7.1 SP7 are also available to Red Hat Enterprise Linux

users by running up2date using an account with entitlements for the Red Hat Direct-

ory Server 7.1 SP7 release.

To upgrade Red Hat Directory Server 7.1 (or any previous 7.1 service pack) on a Red Hat Enterprise

Linux 3 or 4 system:

1. Log in as root.

2. Run rpm to upgrade the Directory Server using the package appropriate for your version of Red Hat

Enterprise Linux.

•For Red Hat Enterprise Linux 3:

rpm -U redhat-ds-7.1SP7-11.RHEL3.i386.rpm

•For Red Hat Enterprise Linux 4:

rpm -U redhat-ds-7.1SP7-11.RHEL4.i386.rpm

3. For upgrading from SP4 or earlier. Run the setup script again.

# cd /opt/redhat-ds

# ./setup/setup -r

NOTE

When upgrading from an Directory Server instance version 7.1SP4 or older, you must

run the setup script to resolve security issues addressed in 7.1SP5. If you are upgrad-

ing from version 7.1SP5, then this is not necessary.

To install a new installation of Red Hat Directory Server 7.1 SP7:

Installing Directory Server 7.1 SP7 on Red Hat

Enterprise Linux

1. Log in as root.

2. Run rpm to install the Directory Server using the package appropriate for your version of Red Hat

Enterprise Linux.

•For Red Hat Enterprise Linux 3:

rpm -i redhat-ds-7.1SP7-11.RHEL3.i386.rpm

•For Red Hat Enterprise Linux 4:

rpm -i redhat-ds-7.1SP7-11.RHEL4.i386.rpm

3. Go through the configuration process as described in the Directory Server Installation Guide.

2.3. Installing Directory Server 7.1 SP7 on HP-UX and Sun Solaris

1. Log in as root.

2. Create a new directory for the new Directory Server service pack version.

mkdir ds71sp7

3. Open the new directory.

cd ds71sp7

4. Download the Directory Server product binaries file to this directory.

5. Unpack the product binaries.

gzip -dc filename.tar.gz | tar -xvof -

filename is the product binaries file; the exact name depends on your platform.

6. Make sure that the Configuration Directory Server instance on the machine is running and that the

Administration Server instance is stopped.

Release Notes

#cdserverRoot./stop-admin

#cdserverRoot/slapd-instance./restart-slapd

7. Open the new ds71sp7 directory, and extract the binary files for the new service pack setup pro-

gram by running the setup command with the -b option.

#cd/path/to/ds71sp7

# ./setup -b serverRoot

8. Run the setup program again to install the service pack.

NOTE

When upgrading from an Directory Server instance version 7.1SP4 or older, you must

run the setup script to resolve security issues addressed in 7.1SP5. If you are upgrad-

ing from version 7.1SP5, then this is not necessary.

9. Supply the configuration information as prompted by the installer. An upgrade usually requires this

information:

•Agreeing to the setup and licensing terms.

•The full path to the server root directory (the installation directory) where Directory Server 7.1 is

located; by default, this is /opt/redhat-ds/servers.

•The Configuration Administrator's password for the Directory Server 7.1 instance.

The upgrade process beings after all of the 7.1 instance information is given.

2.4. Installing Synchronization Services

If Windows synchronization will be used on a Windows server in conjunction with a Red Hat Directory

Server 7.1 server, then install the 7.1 SP7 Windows Sync services on the Windows machine:

1. Uninstall the Password Sync services. If the Windows sync peer is an NT server, then also unin-

stall the User Sync service. This is described in the Directory Server 7.1 Administrator's Guide,

available at http://1www.redhat.com/1docs/1manuals/1dir-server/1ag/17.1/1sync.html#2878810.

Installing Synchronization Services

NOTE

The SSL databases or keystore are preserved and can be re-used after upgrade is

complete.

2. Copy the the updated msi files from /opt/redhat-ds/winsync/ to the Windows system.

3. Double-click the new msi files to install them.

4. Reboot the Windows system after re-installing the Password Sync and, on NT, User Sync ser-

vices.

5. Perform a full resynchronization between the Directory Server and Windows sync servers.

a. In the Directory Server Console, click the Configuration tab.

b. Expand the Replication folder in the left navigation window.

c. Click the name of the Directory Server database which is synchronized with the Windows direct-

ory, and select the sync agreement.

d. Select manual synchronization from the drop-down menu.

3. Bugs Fixed in Directory Server 7.1 SP7

The following are some of the most important bugs fixed for Directory Server 7.1 SP7. Along with this

service pack, some erratas have been issued for Red Hat Directory Server, fixing important security

and performance issues. The complete list of erratas issued for Red Hat Directory Server 7.1 SP7 for

Red Hat Enterprise Linux is available through Red Hat Network at ht-

tps://1rhn.redhat.com/1errata/1rhel-dirserv-71-errata.html.

Red Hat Directory Server 7.1 SP7 is released as an update as Erratum RHSA 2008:0596, which is

asociated with Bugzilla #453229.

Bug Number Alternate ID Description

233642 The change sequence numbers in multi-master replication had

a built-in skew to accommodate differences in the clocks on

master servers. However, this skew could grow under some

circumstances to the point that it falsely hit the maximum al-

lowed skew (one day by default) and stopped replication en-

tirely. Because the problem was in the timestamps of the CSNs

Release Notes

Bug Number Alternate ID Description

for the masters, replication could not be easily restarted. The

severity of the problem increased with the number of updates

made to the Directory Server.

This has been fixed.

440333 There were uninitialized variables in plug-ins for logging and

access controls. These have been fixed.

448831 CVE-

2008-2930

454065

A flaw in the way the Directory Server handled LDAP search

requests using patterns could allow a remote attacker to cause

the Directory Server to use large amounts of CPU time. Pattern

searches were not restricted by normal directory search time

limits. If the attacker had access to LDAP service, he could

create a search request with a search pattern that matched

specially-crafted data records, running searches without time

limits and consuming CPU time.

The Directory Server has been updated to apply the

nsslapd-timelimit attribute to the pattern search query

run time. This attribute has a default limit of 3600 seconds (one

hour). To shorten the time limit, modify the nsslapd-

timelimit parameter in cn=config. For example:

ldapmodify -D "cn=Directory Manager" -w

password

dn: cn=config

changetype: modify

replace: nsslapd-timelimit

nsslapd-timelimit: 30

450973 Password policy attributes are not replicated by default.

However, if a password attribute such as accountunlock-

time was added to an entry, the server would attempt to rep-

licate that attribute, which would cause an error. Rather than

correctly processing the error, replication would fail.

This has been fixed.

452169 In replication scenarios, if an attribute value was scheduled to

be deleted and also was indexed or had an attribute subtype

which was indexed, the Directory Server would crash during

the index operation.

This has been fixed.

453916 413531

453921

CVE-

2008-2928

Several Directory Server CGI applications were affected by a

buffer overflow flaw in the routine which parses Accept Lan-

guage HTTP headers. The web services could be configured

to allow acceptable language configurations which caused the

Bugs Fixed in Directory Server 7.1 SP7

Bug Number Alternate ID Description

web services to quit functioning and crash the server. A remote

attacker with access to the Administration Server web interface

could exploit the flaw to crash those CGIs or, possibly, to ex-

ecute arbitrary code with the privileges of the Administration

Server, which typically runs as the root user on the host ma-

chine.

This has been fixed.

454328 The Directory Server crashed on some looping operations,

such as recursively adding groups as members to other groups

(Group A becomes a member of Group B, which becomes a

member of Group C, and so on). Because the stack size for

64-bit systems was hard-coded to 256KB, relatively small

loops could still overflow the stack.

This has been fixed.

454621 245248

454658

CVE-

2008-2929

The Directory Server Gateway and Administration Server Ex-

press interfaces had scripting issues cause by improperly pars-

ing a percent (%)-escaped value provided by a user. A remote

attacker could exploit this flaw to execute cross-site attacks

against Directory Server users or administrators who used

those web services.

These errors have been fixed.

458171 On HP-UX, when running an approximate search, the search

code could return an error code 3, which corresponds to the

LDAP error code for exceeding the search time limit. This

meant that an appropximate search could end prematurely with

a timeout error, even though the time limit had not been

reached.

This error has been fixed.

458506 CVE-

2008-3283

458692

458977

There was a memory leak error in the SASL bind code. This

error was difficult to trigger in real-world scenarios because it

required sending a 0-valued password for a SASL bind, but it

could be triggered by an anonymous user.

This error has been fixed.

458507 CVE-

2008-3283

458692

458977

There was a memory leak error when changing the password

storage scheme. This error could only be triggered by an ad-

min user, not an anonymous user.

This error has been fixed.

458510 CVE-

2008-3283 There was a memory leak error when a user attempted to

change a password; if the given DN for the password change

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