From aleph1@UNDERGROUND.ORG Tue Sep 21 12:58:42 1999 From: Aleph One Resent-From: mea culpa To: BUGTRAQ@SECURITYFOCUS.COM Resent-To: jericho@attrition.org Date: Mon, 20 Sep 1999 10:12:23 -0700 Reply-To: support_feedback@us-support.external.hp.com Subject: Security Bulletins Digest HP Support Information Digests =============================================================================== o HP Electronic Support Center World Wide Web Service --------------------------------------------------- If you subscribed through the HP Electronic Support Center and would like to be REMOVED from this mailing list, access the HP Electronic Support Center on the World Wide Web at: http://us-support.external.hp.com Login using your HP Electronic Support Center User ID and Password. Then select Support Information Digests. You may then unsubscribe from the appropriate digest. =============================================================================== 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) ------------------------------------------------------------------------- **REVISED 01** HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #00103, 14 Sep. 99 Last Revised: 20 Sep. 99 ------------------------------------------------------------------------- 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. ------------------------------------------------------------------------- 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. C. 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The security patch matrix is also available via anonymous ftp: us-ffs.external.hp.com ~ftp/export/patches/hp-ux_patch_matrix D. To report new security vulnerabilities, send email to security-alert@hp.com Please encrypt any exploit information using the security-alert PGP key, available from your local key server, or by sending a message with a -subject- (not body) of 'get key' (no quotes) to security-alert@hp.com. Permission is granted for copying and circulating this Bulletin to Hewlett-Packard (HP) customers (or the Internet community) for the purpose of alerting them to problems, if and only if, the Bulletin is not edited or changed in any way, is attributed to HP, and provided such reproduction and/or distribution is performed for non-commercial purposes. Any other use of this information is prohibited. HP is not liable for any misuse of this information by any third party. ________________________________________________________________________ -----End of Document ID: HPSBUX9909-103--------------------------------------