From support_feedback@us-support.external.hp.com Sun Feb 17 15:40:39 2002 From: IT Resource Center Resent-From: Dave Ahmad To: nobody@us-support.external.hp.com Resent-To: bugtraq@securityfocus.com Date: Wed, 13 Feb 2002 10:42:04 -0800 (PST) Subject: HP Secure OS Software for Linux security bulletins digest HP Support Information Digests =============================================================================== o Security Bulletin Digest Split ------------------------------ The security bulletins digest has been split into multiple digests based on the operating system (HP-UX, MPE/iX, and HP Secure OS Software for Linux). You will continue to receive all security bulletin digests unless you choose to update your subscriptions. To update your subscriptions, use your browser to access the IT Resource Center on the World Wide Web at: http://www.itresourcecenter.hp.com/ Under the Maintenance and Support Menu, click on the "more..." link. 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You may then unsubscribe from the appropriate digest. =============================================================================== Digest Name: daily HP Secure OS Software for Linux security bulletins digest Created: Wed Feb 13 8:35:04 PST 2002 Table of Contents: Document ID Title --------------- ----------- HPSBTL0202-023 Updated telnet package available The documents are listed below. ------------------------------------------------------------------------------- Document ID: HPSBTL0202-023 Date Loaded: 20020212 Title: Updated telnet package available TEXT --------------------------------------------------------------- HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #023 Originally issued: 13 February '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 the customer's failure to fully implement instructions in this Security Bulletin as soon as possible. Because the vulnerability does not require a HP Secure OS 1.0 patch or re-packaging of the RPM affected by the bulletin, the RPMs have not been produced or tested by Hewlett-Packard Company. --------------------------------------------------------------- PROBLEM: Buffer overflow in telnet server PLATFORM: Any system running HP Secure OS software for Linux Release 1.0 DAMAGE: Potential unauthorized execution of commands with root privileges SOLUTION: Apply the appropriate RPMs (see section B below) MANUAL ACTIONS: None AVAILABILITY: The RPMs are available now. --------------------------------------------------------------- A. Background A malicious local user could exploit a buffer overflow in the telnet server to gain root access. Telnet server is not included in the default installation of HP Secure OS Software for Linux. B. Fixing the problem Hewlett-Packard Company recommends that customers download the RPMs listed in the following Red Hat Security Advisory: 2002-02-07 telnet (RHSA-2001:099-09) New telnet packages available to fix buffer overflow vulnerabilities http://www.redhat.com/support/errata/RHSA-2001-099.html To install the security bulletin RPMs, use the following sequence of commands: 1. If you use the tripwire product, we recommend that you run a a consistency check and fix any violations before installing the security bulletin RPM. tripwire --check --interactive 2. Install the bulletin RPM from the root account. rpm -F 3. Update the tripwire database tripwire --check --interactive NOTE: The rpm -q command can be used to determine if the package is installed. Hewlett-Packard Company recommends applying the Security Bulletin fixes to installed packages only. The -F option to the RPM installer will only apply the fix if the package is currently installed on the system. Dependent RPMs can be found by using the "Find Latest RPMs" search facility at http://www.redhat.com/apps/download. To find the latest dependent RPM enter the RPM's name in the "By Keyword" box. C. To subscribe to automatically receive future HP Security Bulletins from the HP IT Resource Center via electronic mail, do the following: 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. 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 may 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 Company (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: HPSBTL0202-023--------------------------------------