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Message-ID: <10208011334.ZM113618@einstein.csd.sgi.com>
From: agent99 at sgi.com (SGI Security Coordinator)
Subject: iPlanet vulnerabilities on IRIX
-----BEGIN PGP SIGNED MESSAGE-----
_____________________________________________________________________________
SGI Security Advisory
Title: iPlanet vulnerabilities
Number: 20020803-01-P
Date: August 1, 2002
Reference: CERT? Vulnerability Note #276767
Reference: CAN-2001-0327
_____________________________________________________________________________
- -----------------------
- --- Issue Specifics ---
- -----------------------
Multiple vulnerabilities exist in the iPlanet Web Servers as supplied by SGI.
1) CERT has reported that a buffer overflow exists that may allow remote
attackers to gain read access to sensitive information contained in the
memory of the web server process. The information disclosed may include
userids, passwords, cookies or authentication data belonging to other users
of the web server. With this data the attacker may be able to falsely
authenticate themselves to the web server as other users. In some cases, the
attacker may be able to prevent the normal operation of the web server using
this vulnerability.
More information is available at the following URLs:
http://www.kb.cert.org/vuls/id/276767
http://www.atstake.com/research/advisories/2001/a041601-1.txt
2) The SNMP agent (magt) daemon supplied with the Admin Server component of
Netscape Directory Server 4.1x, iPlanet Directory Server 5.0, iPlanet
Directory Server 5.1, and iPlanet Web Proxy Server 3.6 on UNIX platforms is
vulnerable to a malformed request. The malformed request will cause the
"magt" daemon to abruptly exit, so that it will no longer accept requests.
More information is available at the following URLs:
http://knowledgebase.iplanet.com/ikb/kb/articles/7805.html
http://wwws.sun.com/software/download/patches/5174.html
3) There are also three additional vulnerabilities that exist in the
iPlanet Web Servers that are NOT addressed by this advisory. See the
"Impact" section.
SGI has investigated the issues and recommends the following steps for
neutralizing the exposure. It is HIGHLY RECOMMENDED that these measures be
implemented on ALL vulnerable SGI systems.
- --------------
- --- Impact ---
- --------------
The iPlanet Webservers are an optional product and are not installed by
default on IRIX systems.
These vulnerabilities may be exploited by a remote user, and no local
account is required.
The exploitation of these vulnerabilities can lead to a root compromise.
These vulnerabilities have been reported by CERT and have been publicly
discussed in Usenet newsgroups and mailing lists.
The iPlanet webserver buffer overflow was assigned the following CVE:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2001-0327
See the following URLs for additional details on three vulnerabilities that
are not addressed by this patch or advisory, and iPlanet's suggested
workarounds:
1) wp-force-auth can be used in a brute force password cracking attack
http://knowledgebase.iplanet.com/ikb/kb/articles/7764.html
2) Unauthorized listing of directory contents via "?wp-" query
http://knowledgebase.iplanet.com/ikb/kb/articles/4302.html
3) The search functionality, not enabled by default, is vulnerable:
http://online.securityfocus.com/archive/1/281287/2002-07-07/2002-07-13/0
http://online.securityfocus.com/archive/1/281199/2002-07-07/2002-07-13/0
Steps to disable the Search function per iPlanet, is:
http://docs.iplanet.com/docs/manuals/enterprise/41/ag/essearch.htm#1023742
- ----------------
- --- Solution ---
- ----------------
No patch is provided for magt iPlanet binary. Here are the steps to disable
the binary:
$ su -
# cd <server_root>/plugins/snmp/magt
(where server_root is the directory where iPlanet was installed)
# chmod -x magt
# killall magt
SGI has provided a patch that will fixes the iPlanet webserver buffer
overflow vulnerability reported by CERT.
OS Version Vulnerable? Patch # Other Actions
---------- ----------- ------- -------------
IRIX 3.x unknown Note 1
IRIX 4.x unknown Note 1
IRIX 5.x unknown Note 1
IRIX 6.0.x unknown Note 1
IRIX 6.1 unknown Note 1
IRIX 6.2 unknown Note 1
IRIX 6.3 unknown Note 1
IRIX 6.4 unknown Note 1
IRIX 6.5 yes 4458 Notes 2 & 3
IRIX 6.5.1 yes 4458 Notes 2 & 3
IRIX 6.5.2 yes 4458 Notes 2 & 3
IRIX 6.5.3 yes 4458 Notes 2 & 3
IRIX 6.5.4 yes 4458 Notes 2 & 3
IRIX 6.5.5 yes 4458 Notes 2 & 3
IRIX 6.5.6 yes 4458 Notes 2 & 3
IRIX 6.5.7 yes 4458 Notes 2 & 3
IRIX 6.5.8 yes 4458 Notes 2 & 3
IRIX 6.5.9 yes 4458 Notes 2 & 3
IRIX 6.5.10 yes 4458 Notes 2 & 3
IRIX 6.5.11 yes 4458 Notes 2 & 3
IRIX 6.5.12 yes 4458 Notes 2 & 3
IRIX 6.5.13 yes 4458 Notes 2 & 3
IRIX 6.5.14 yes 4458 Notes 2 & 3
IRIX 6.5.15 yes 4458 Notes 2 & 3
IRIX 6.5.16 yes 4458 Notes 2 & 3
NOTES
1) This version of the IRIX operating has been retired. Upgrade to an
actively supported IRIX operating system. See
http://support.sgi.com/irix/news/index.html#policy for more
information.
2) If you have not received an IRIX 6.5.X CD for IRIX 6.5, contact your
SGI Support Provider or URL: http://support.sgi.com/irix/swupdates/
3) It is important to read and follow the instructions in the Release
Notes, as installation of this patch is somewhat different than the
normal IRIX patch installation process.
##### Patch File Checksums ####
The actual patch will be a tar file containing the following files:
Filename: README.patch.4458
Algorithm #1 (sum -r): 50917 16 README.patch.4458
Algorithm #2 (sum): 57222 16 README.patch.4458
MD5 checksum: D49E1BC06F81D30936E989B5CD80AAAB
Filename: patchSG0004458
Algorithm #1 (sum -r): 01038 2 patchSG0004458
Algorithm #2 (sum): 47864 2 patchSG0004458
MD5 checksum: 5F064AA44D481399A5A2DF80A793E5A5
Filename: patchSG0004458.idb
Algorithm #1 (sum -r): 11186 3 patchSG0004458.idb
Algorithm #2 (sum): 40448 3 patchSG0004458.idb
MD5 checksum: 22A1B02382466557D89C8ADF1103D413
Filename: patchSG0004458.ip_enterprise_sw
Algorithm #1 (sum -r): 24113 23 patchSG0004458.ip_enterprise_sw
Algorithm #2 (sum): 15037 23 patchSG0004458.ip_enterprise_sw
MD5 checksum: 471CE5D3EDE623B3C464EB5812D25CA2
Filename: swmgr.README.html
Algorithm #1 (sum -r): 08491 2 swmgr.README.html
Algorithm #2 (sum): 28127 2 swmgr.README.html
MD5 checksum: DA5DCB9051F1C1B65397A6D0CAEB35FC
- ------------------------
- --- Acknowledgments ----
- ------------------------
SGI wishes to thank Kevin Dunn, Chris Eng, CERT, and the users of the
Internet Community at large for their assistance in this matter.
- -------------
- --- Links ---
- -------------
SGI Security Advisories can be found at:
http://www.sgi.com/support/security/ and
ftp://patches.sgi.com/support/free/security/advisories/
SGI Security Patches can be found at:
http://www.sgi.com/support/security/ and
ftp://patches.sgi.com/support/free/security/patches/
SGI patches for IRIX can be found at the following patch servers:
http://support.sgi.com/irix/ and ftp://patches.sgi.com/
SGI freeware updates for IRIX can be found at:
http://freeware.sgi.com/
SGI fixes for SGI open sourced code can be found on:
http://oss.sgi.com/projects/
SGI patches and RPMs for Linux can be found at:
http://support.sgi.com/linux/ or
http://oss.sgi.com/projects/sgilinux-combined/download/security-fixes/
SGI patches for Windows NT or 2000 can be found at:
http://support.sgi.com/nt/
IRIX 5.2-6.4 Recommended/Required Patch Sets can be found at:
http://support.sgi.com/irix/ and ftp://patches.sgi.com/support/patchset/
IRIX 6.5 Maintenance Release Streams can be found at:
http://support.sgi.com/colls/patches/tools/relstream/index.html
IRIX 6.5 Software Update CDs can be obtained from:
http://support.sgi.com/irix/swupdates/
The primary SGI anonymous FTP site for security advisories and patches is
patches.sgi.com (216.32.174.211). Security advisories and patches are
located under the URL ftp://patches.sgi.com/support/free/security/
For security and patch management reasons, ftp.sgi.com (mirrors
patches.sgi.com security FTP repository) lags behind and does not do a
real-time update.
- -----------------------------------------
- --- SGI Security Information/Contacts ---
- -----------------------------------------
If there are questions about this document, email can be sent to
security-info@....com.
------oOo------
SGI provides security information and patches for use by the entire SGI
community. This information is freely available to any person needing the
information and is available via anonymous FTP and the Web.
The primary SGI anonymous FTP site for security advisories and patches is
patches.sgi.com (216.32.174.211). Security advisories and patches are
located under the URL ftp://patches.sgi.com/support/free/security/
The SGI Security Headquarters Web page is accessible at the URL:
http://www.sgi.com/support/security/
For issues with the patches on the FTP sites, email can be sent to
security-info@....com.
For assistance obtaining or working with security patches, please
contact your SGI support provider.
------oOo------
SGI provides a free security mailing list service called wiretap and
encourages interested parties to self-subscribe to receive (via email) all
SGI Security Advisories when they are released. Subscribing to the mailing
list can be done via the Web
(http://www.sgi.com/support/security/wiretap.html) or by sending email to
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subscribe wiretap <YourEmailAddress>
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------oOo------
SGI provides a comprehensive customer World Wide Web site. This site is
located at http://www.sgi.com/support/security/ .
------oOo------
If there are general security questions on SGI systems, email can be sent to
security-info@....com.
For reporting *NEW* SGI security issues, email can be sent to
security-alert@....com or contact your SGI support provider. A support
contract is not required for submitting a security report.
______________________________________________________________________________
This information is provided freely to all interested parties
and may be redistributed provided that it is not altered in any
way, SGI is appropriately credited and the document retains and
includes its valid PGP signature.
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