Date: Mon, 20 Sep 1999 10:12:23 -0700
From: Aleph One <[email protected]>
To: [email protected]Subject: Security Bulletins Digest
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Digest Name: Daily Security Bulletins Digest
Created: Mon Sep 20 3:00:03 PDT 1999
Table of Contents:
Document ID Title
--------------- -----------
HPSBUX9909-103 Security Vulnerability in CDE ttsession (Rev.01)
The documents are listed below.
-------------------------------------------------------------------------------
Document ID: HPSBUX9909-103
Date Loaded: 19990919
Title: Security Vulnerability in CDE ttsession (Rev.01)
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**REVISED 01** HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #00103, 14 Sep. 99
Last Revised: 20 Sep. 99
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The information in the following Security Bulletin should be acted upon
as soon as possible. Hewlett-Packard Company will not be liable for any
consequences to any customer resulting from customer's failure to fully
implement instructions in this Security Bulletin as soon as possible.
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PROBLEM: ttsession uses weak RPC authentication mechanism
PLATFORM: HP-9000 Series 700/800 HP-UX releases 10.X & 11.00 running CDE.
DAMAGE: Allows remote and local users to execute programs with the
privileges of the running ttsession.
SOLUTION: **REVISED 01**
Install the applicable patch.
AVAILABILITY: The patches for 10.2X and 11.00 are available now.
NOTE: This bulletin will be revised when other patches
are available.
CHANGE SUMMARY: This revision affects only HP-UX release 10.24.
-------------------------------------------------------------------------
I.
A. Background
This problem has been reported in CERT Advisory CA-99-11.
The advisory reports four vulnerabilities:
#1: ToolTalk ttsession uses weak RPC authentication mechanism
#2: CDE dtspcd relies on file-system based authentication
#3: CDE dtaction buffer overflow
#4: CDE ToolTalk shared library buffer overflow in TT_SESSION
With the patches recommended in previous security bulletins
HP-UX releases 10.X and 11.00 are not vulnerable to #2, #3, nor #4.
To avoid vulnerability #1 install the applicable patch below.
B. Fixing the problem - Install the applicable patch:
HP-UX release 10.10 In progress;
HP-UX release 10.20 PHSS_19747;
------->>>> HP-UX release 10.24 PHSS_19819;
HP-UX release 11.00 PHSS_19748.
Note: HP-UX release 10.30 was a development release prior to
the availability of HP-UX release 11.00. HP-UX release
10.30 will not be patched.
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________________________________________________________________________
-----End of Document ID: HPSBUX9909-103--------------------------------------
