Date: Tue, 3 Aug 2004 13:36:58 -0700
From: SGI Security Coordinator <[email protected]>
To: [email protected]Subject: CDE libDtHelp and dtlogin vulnerabilities on IRIX
Cc: [email protected], [email protected],
[email protected]
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______________________________________________________________________________
SGI Security Advisory
Title: libDtHelp and dtlogin vulnerabilities
Number: 20040801-01-P
Date: August 3, 2004
Reference: SGI BUG 902695, CVE CAN-2003-0834, CERT VU#575804
Reference: SGI BUG 913116, CVE CAN-2004-0368, CERT VU#179804
Fixed in: CDE 5.3.4
______________________________________________________________________________
SGI provides this information freely to the SGI user community for its
consideration, interpretation, implementation and use. SGI recommends
that this information be acted upon as soon as possible.
SGI provides the information in this Security Advisory on an "AS-IS"
basis only, and disclaims all warranties with respect thereto, express,
implied or otherwise, including, without limitation, any warranty of
merchantability or fitness for a particular purpose. In no event shall
SGI be liable for any loss of profits, loss of business, loss of data or
for any indirect, special, exemplary, incidental or consequential damages
of any kind arising from your use of, failure to use or improper use of
any of the instructions or information in this Security Advisory.
_____________________________________________________________________________
- -----------------------
- --- Issue Specifics ---
- -----------------------
It has been reported that there are two vulnerabilities in Common Desktop
Environment (CDE) which can be used to obtain root user privileges:
* 902695: libDtHelp has a buffer overflow
http://www.kb.cert.org/vuls/id/575804http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0834
* 913116: dtlogin double-free vulnerability
http://www.kb.cert.org/vuls/id/179804http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0368
A new CDE package has been released to address these vulnerabilities.
SGI has investigated the issue and recommends the following steps for
resolving this issue. It is HIGHLY RECOMMENDED that these measures
be implemented on ALL vulnerable SGI systems.
- --------------
- --- Impact ---
- --------------
CDE is an optional product and is not installed by default.
To determine if CDE is installed, execute the following
command:
# /usr/sbin/versions -b CDE
This will return a result similar to the following:
Name Date Description
I CDE 5/11/03 Common Desktop Environment, 5.3.3
- ----------------
- --- Solution ---
- ----------------
SGI has provided a new CDE 5.3.4 inst package to address these security issues.
The new CDE 5.3.4 inst package is available on the IRIX 6.5.25 Applications
CD or ftp://patches.sgi.com/support/free/security/patches/6.5.25/
Version Vulnerable? Other Actions
- --------------------------------- ----------- -------------
Common Desktop Environment, 5.0 unknown Note 1
Common Desktop Environment, 5.1 unknown Note 1
Common Desktop Environment, 5.2 unknown Note 1
Common Desktop Environment, 5.3 unknown Note 1
Common Desktop Environment, 5.3.1 unknown Note 1
Common Desktop Environment, 5.3.2 unknown Note 1
Common Desktop Environment, 5.3.3 yes Notes 2 & 3
Common Desktop Environment, 5.3.4 no
NOTES
1) This version of the CDE is not actively supported.
Upgrade to an actively supported CDE package.
See http://support.sgi.com/ for more information.
2) Install the new CDE 5.3.4 inst package from IRIX 6.5.25 Applications
CD or ftp://patches.sgi.com/support/free/security/patches/6.5.25/
3) libDtHelp vulnerability is also addressed with patch 5386,
but does not include the dtlogin fix.
- ------------------------
- --- Acknowledgments ----
- ------------------------
SGI wishes to thank CERT, Dave Aitel and FIRST for their assistance
in this matter.
- -------------
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- -------------
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SGI patches can be found at the following patch servers:
http://support.sgi.com/
The primary SGI anonymous FTP site for security advisories and
security patches is ftp://patches.sgi.com/support/free/security/
- -----------------------------------------
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______________________________________________________________________________
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