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SecurityvulnsSECURITYVULNS:DOC:2839

HistoryApr 25, 2002 - 12:00 a.m.

IRIX syslogd vulnerability

2002-04-2500:00:00

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                      SGI Security Advisory

    Title:      IRIX syslogd vulnerability
    Number:     20020405-01-I
    Date:       April 24, 2002
    Reference:  CAN-1999-0171
    Reference:  CVE-1999-0566

— Issue Specifics —

It's been reported that under certain conditions involving a buffer overrun,
the IRIX syslogd can be made to crash. This can result in a potential
denial of service.

SGI has investigated the issue 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 syslogd binary is installed by default on IRIX 6.5 systems as part of
eoe.sw.base and is activated by default.

This vulnerability may be exploited remotely, no local account is required.

This vulnerability can lead to a denial of service attack.

These issues have been corrected in IRIX 6.5.10 and later releases.

This vulnerability was assigned the following CVEs:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-1999-0171
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-1999-0566

— Temporary Workaround —

There is no effective workaround available for these problems.
SGI recommends upgrading to IRIX 6.5.10 or later.

— Solution —

SGI has not provided patches for this vulnerability. Our recommendation is
to upgrade to IRIX 6.5.10 or later.

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 Notes 2 & 3
IRIX 6.5.1 yes Notes 2 & 3
IRIX 6.5.2 yes Notes 2 & 3
IRIX 6.5.3 yes Notes 2 & 3
IRIX 6.5.4 yes Notes 2 & 3
IRIX 6.5.5 yes Notes 2 & 3
IRIX 6.5.6 yes Notes 2 & 3
IRIX 6.5.7 yes Notes 2 & 3
IRIX 6.5.8 yes Notes 2 & 3
IRIX 6.5.9 yes Notes 2 & 3
IRIX 6.5.10 no
IRIX 6.5.11 no
IRIX 6.5.12 no
IRIX 6.5.13 no
IRIX 6.5.14 no
IRIX 6.5.15 no

NOTES

 1&#41; 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&#41; 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&#41; Upgrade to IRIX 6.5.10 or later.

— Acknowledgments ----

SGI wishes to thank Solar Designer, FIRST 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
[email protected].

                  ------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 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
[email protected].

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
SGI as outlined below.

% mail [email protected]
subscribe wiretap <YourEmailAddress>
end
^d

In the example above, <YourEmailAddress> is the email address that you wish
the mailing list information sent to. The word end must be on a separate
line to indicate the end of the body of the message. The control-d (^d) is
used to indicate to the mail program that you are finished composing the
mail message.

                  ------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
[email protected].

For reporting NEW SGI security issues, email can be sent to
[email protected] 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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