Date: Wed, 24 Apr 2002 09:53:35 -0700 (PDT)
From: SGI Security Coordinator <[email protected]>
To: [email protected]Subject: IRIX syslogd vulnerability
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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-1999-0171http://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) 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) 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------
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______________________________________________________________________________
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