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AUSCERT External Security Bulletin Redistribution
ESB-2004.0110 -- Sun Alert Notification - Sun Alert ID: 57414
Buffer Overflow Vulnerability in the CDE DtHelp Library
10 February 2004
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AusCERT Security Bulletin Summary
---------------------------------
Product: CDE DtHelp Library
Publisher: Sun Microsystems
Operating System: Solaris 9
Solaris 8
Solaris 7
Impact: Root Compromise
Denial of Service
Access Required: Existing Account
CVE Names: CAN-2003-0834
Ref: ESB-2003.0772
Original Bulletin:
http://sunsolve.sun.com/pub-cgi/retrieve.pl?doc=fsalert%2F57414
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DOCUMENT ID: 57414
SYNOPSIS: Buffer Overflow Vulnerability in the CDE DtHelp Library May
Allow Unauthorized "root" Access
DETAIL DESCRIPTION:
Sun(sm) Alert Notification
* Sun Alert ID: 57414
* Synopsis: Buffer Overflow Vulnerability in the CDE DtHelp Library
May Allow Unauthorized "root" Access
* Category: Security
* Product: Solaris
* BugIDs: 4930117
* Avoidance: Patch, T-patch
* State: Engineering Complete
* Date Released: 07-Nov-2003
* Date Closed:
* Date Modified: 06-Feb-2004
1. Impact
The DtHelp library (libDtHelp.so) is used by the Common Desktop
Environment (CDE) to display context help. This library contains a
buffer overflow vulnerability which could allow a local user to gain
root access or possibly crash affected CDE applications which utilize
the DtHelp library causing a Denial of Service.
This issue is described in the CERT Vulnerability VU#575804 (see
[1]http://www.kb.cert.org/vuls/id/575804) and CVE CAN-2003-0834 (see:
[2]http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0834).
2. Contributing Factors
This issue can occur in the following releases:
SPARC Platform
* Solaris 7 without patch 107178-03
* Solaris 8 without patch 108949-08
* Solaris 9 without patch 116308-01
x86 Platform
* Solaris 7 without patch 107179-03
* Solaris 8 without patch 108950-08
* Solaris 9
3. Symptoms
There are no reliable symptoms that would show the described issue has
been exploited to gain unauthorized root access to a host.
SOLUTION SUMMARY:
4. Relief/Workaround
Preliminary T-patches are being made available through normal support
channels for the following releases:
x86 Platform
* Solaris 9 T-patch T116309-01
5. Resolution
This issue is addressed in the following releases:
SPARC platform
* Solaris 7 with patch 107178-03 or later
* Solaris 8 with patch 108949-08 or later
* Solaris 9 with patch 116308-01 or later
x86 Platform
* Solaris 7 with patch 107179-03 or later
* Solaris 8 with patch 108950-08 or later
A final resolution is pending completion.
Change History
06-Feb-2004:
* Updated Contributing Factors and Resolution sections
This Sun Alert notification is being provided to you on an "AS IS"
basis. This Sun Alert notification may contain information provided by
third parties. The issues described in this Sun Alert notification may
or may not impact your system(s). Sun makes no representations,
warranties, or guarantees as to the information contained herein. ANY
AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
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YOU ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT,
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This Sun Alert notification contains Sun proprietary and confidential
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Copyright 2000-2003 Sun Microsystems, Inc., 4150 Network Circle, Santa
Clara, CA 95054 U.S.A. All rights reserved.
References
1. http://www.kb.cert.org/vuls/id/575804
2. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0834
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