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Category:   OS (Linux)  >   Tlcompadd Vendors:   HPE
HP Secure OS for Linux 'tlcompadd' Access Control Flaw May Let Local Users Overwrite Certain Files
SecurityTracker Alert ID:  1005076
SecurityTracker URL:  http://securitytracker.com/id/1005076
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Aug 19 2002
Impact:   Modification of system information, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.0
Description:   A vulnerability was reported in HP's Secure OS for Linux. A local user could gain unauthorized access to certain files.

It is reported that an access control vulnerability exists in tlcompadd that could allow a local user to gain unauthorized file access. The user could overwrite certain files on the system.

No further details were provided regarding the nature of the vulnerability.

Impact:   A local user could potentially overwrite files that they are not authorized to access.
Solution:   The vendor has released a patch (HPTL_00028), available 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.

Vendor URL:  www.hp.com/ (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (HP Secure OS)

Message History:   None.


 Source Message Contents

Subject:  HP Secure OS Software for Linux security bulletins digest



Document ID:  HPSBTL0208-059
Date Loaded:  20020813
      Title:  Security vulnerability in tlcompadd

TEXT

			

				

---------------------------------------------------------------
    HEWLETT-PACKARD COMPANY SECURITY BULLETIN: HPSBTL0208-059
    Originally issued: August 13 '02
---------------------------------------------------------------

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 said customer's
failure to fully implement instructions in this Security Bulletin as
soon as possible.

---------------------------------------------------------------
PROBLEM:  Additional MAC restrictions required for tlcompadd.

PLATFORM: Any system running HP Secure OS Software for Linux Release 1.0

DAMAGE:  Potential overwrite of files.

SOLUTION: Apply the appropriate patch.

MANUAL ACTIONS: None

AVAILABILITY: The patch is available now.
---------------------------------------------------------------
 A. Background

    The tlcompadd command adds a named compartment to the HP Secure
    Linux OS database.

    A vulnerability exists in tlcompadd which could cause a local user
    to gain unauthorized file access.


B. Fixing the problem

    Apply the following patch:

        HPTL_00028

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 left most 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:  HPSBTL0208-059--------------------------------------
 
 


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