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[CIAC] INFORMATION BULLETIN
M-028: HPLX-sendmail Vulnerability
[HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #007 - 12/18/01]
December 19, 2001 21:00 GMT
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 PROBLEM: Hewlett-Packard has identified a vulnerability in
 hplx-sendmail-1.0-1 which is based upon Sendmail
 version 8.11.6. There is an input validation flaw in
 part of its debugging code.
 PLATFORM: HP Secure OS software for Linux Release 1.0
 DAMAGE: Potential for local users to gain unauthorized root
 access.
 SOLUTION: Apply available patch.
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 VULNERABILITY The risk is MEDIUM. To gain access the attacker would
 ASSESSMENT: have to be logged in as a local user.
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 LINKS:
 CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/m-028.shtml
 PATCHES: http://itrc.hp.com
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[***** Start HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #007 - 12/18/01 *****]
Document ID: HPSBTL0112-007
Date Loaded: 20011218
 Title: Security vulnerability in hplx-sendmail
---------------------------------------------------------------
 HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #007
 Originally issued: 18 December '01
---------------------------------------------------------------
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: Security vulnerability in hplx-sendmail.
PLATFORM: Any system running HP Secure OS software for Linux Release 1.0
DAMAGE: Potential for local users to gain unauthorized root access.
SOLUTION: Apply the appropriate patch.
MANUAL ACTIONS: None
AVAILABILITY: The patch is available now.
---------------------------------------------------------------
 A. Background
 hplx-sendmail-1.0-1 is based upon (publicly available)
 Sendmail version 8.11.6 which has an input validation flaw
 in part of its debugging code. This flaw could be exploited
 by an attacker who already has local access to a system
 and wants to gain root privileges. This flaw is fixed in
 hplx-sendmail-1.1-1, which is based upon Sendmail v8.12.1.
 B. Fixing the problem
 Apply the following patch:
 HPTL_00007
 This patch is available as follows: -
 Use your browser to access the HP IT Resource Center page
 at:
 http://itrc.hp.com
 Use the 'Login' tab at the left side of the screen to login
 using your ID and password. Use your existing login or the
 "Register" button at the left to create a login. Remember to save the
 User ID assigned to you, and your password. This login provides
 access to many useful areas of the ITRC.
 Under the "Maintenance and Support" section, select "Individual Patches".
 In the field at the bottom of the page labeled "retrieve a specific patch
 by entering the patch name", enter {{ Patch number (s) }}
 For instructions on installing the patch, please see the install text file
 included in the patch.
 C. To subscribe to automatically receive future NEW HP Security
 Bulletins from the HP IT Resource Center via electronic
 mail, do the following:
 Use your browser to access to the HP IT Resource Center page
 at:
 http://itrc.hp.com
 Use the 'Login' tab at the left side of the screen to login
 using your ID and password. Use your existing login or the
 "Register" button at the left to create a login. Remember to
 save the User ID assigned to you, and your password. This
 login provides access to many useful areas of the ITRC.
 In the leftmost frame select "Maintenance and Support".
 Under the "Notifications" section (near the bottom of
 the page), select "Support Information Digests".
 To -subscribe- to future HP Security Bulletins or other
 Technical Digests, click the check box (in the left column)
 for the appropriate digest and then click the "Update
 Subscriptions" button at the bottom of the page.
 or
 To -review- bulletins already released, select the link
 (in the middle column) for the appropriate digest.
 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. You ma also get the security-alert PGP key 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: HPSBTL0112-007--------------------------------------
[***** End HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #007 - 12/18/01 *****]
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CIAC wishes to acknowledge the contributions of Hewlett-Packard for the
information contained in this bulletin.
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CIAC services are available to DOE, DOE Contractors, and the NIH. CIAC can
be contacted at:
 Voice: +1 925-422-8193 (7 x 24)
 FAX: +1 925-423-8002
 STU-III: +1 925-423-2604
 E-mail: ciac@llnl.gov
 World Wide Web: http://www.ciac.org/
 http://ciac.llnl.gov
 (same machine -- either one will work)
 Anonymous FTP: ftp.ciac.org
 ciac.llnl.gov
 (same machine -- either one will work)
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This document was prepared as an account of work sponsored by an agency of
the United States Government. Neither the United States Government nor the
University of California nor any of their employees, makes any warranty,
express or implied, or assumes any legal liability or responsibility for
the accuracy, completeness, or usefulness of any information, apparatus,
product, or process disclosed, or represents that its use would not
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commercial products, process, or service by trade name, trademark,
manufacturer, or otherwise, does not necessarily constitute or imply its
endorsement, recommendation or favoring by the United States Government or
the University of California. The views and opinions of authors expressed
herein do not necessarily state or reflect those of the United States
Government or the University of California, and shall not be used for
advertising or product endorsement purposes.
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UCRL-MI-119788
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