===================================================================== CERT-Renater Note d'Information No. 2001/VULN298 _____________________________________________________________________ DATE : 19/10/2001 HARDWARE PLATFORM(S) : HP9000 Servers IPF OPERATING SYSTEM(S) : HP-UX releases 10.X, HP-UX 11.20 ====================================================================== HP Support Information Digests =============================================================================== o IT Resource Center World Wide Web Service --------------------------------------------------- If you subscribed through the IT Resource Center and would like to be REMOVED from this mailing list, access the IT Resource Center on the World Wide Web at: http://www.itresourcecenter.hp.com/ Login using your IT Resource Center User ID and Password. Then select Support Information Digests (located under Maintenance and Support). You may then unsubscribe from the appropriate digest. =============================================================================== Digest Name: daily security bulletins digest Created: Thu Oct 18 3:00:03 PDT 2001 Table of Contents: Document ID Title --------------- ----------- HPSBUX0110-172 Sec. Vulnerability in telnetd HPSBUX0110-171 Sec. Vulnerability in IA HP-UX 11.20 only The documents are listed below. ------------------------------------------------------------------------------- Document ID: HPSBUX0110-172 Date Loaded: 20011016 Title: Sec. Vulnerability in telnetd ----------------------------------------------------------------- HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0172 Originally issued: 16 October 2001 ----------------------------------------------------------------- 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: Systems running telnetd may permit unauthorized remote access. See: http://www.cert.org/advisories/CA-2001-21.html This vulnerability has been assigned the identifier CAN-2001-0554 by the Common Vulnerabilities and Exposures (CVE) group: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2001-0554 PLATFORM: HP9000 Servers running HP-UX releases 10.X only. DAMAGE: An intruder can potentially execute arbitrary code with the privileges of the telnetd process. SOLUTION: Apply the following patches to the release specified. 10.01 PHNE_24820, 10.10 PHNE_24820, 10.20 PHNE_24821, SIS 10.20 PHNE_24822 (Telnet kerberos Patch), 10.24 PHNE_25217. MANUAL ACTIONS: The Secure Internet Services (SIS) product, if enabled, has to be disabled before the installation or removal of PHNE_24822 (Telnet kerberos Patch). AVAILABILITY: The patches are available now from http://itrc.hp.com. ------------------------------------------------------------------ A. Background A potential remotely exploitable buffer overflow in telnetd has been reported to Hewlett-Packard Company. It is unique to HP-UX releases 10.X only. B. Fixing the problem Disable telnetd (by commenting out the /etc/inetd.conf entry for telnetd and running '/usr/sbin/inetd -c') if telentd is not needed on your system. Install the appropriate patch from the list below. C. Recommended solution Apply the following patches to the release specified. 10.01 PHNE_24820, 10.10 PHNE_24820, 10.20 PHNE_24821, SIS 10.20 PHNE_24822, 10.24 PHNE_25217. All patches are available now from http://itrc.hp.com. D. 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 get 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, in order to gain access to many areas of the ITRC. Remember to save the User ID assigned to you, and your password. 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. To -gain access- to the Security Patch Matrix, select the link for "The Security Bulletins Archive". (near the bottom of the page) Once in the archive the third link is to the current Security Patch Matrix. Updated daily, this matrix categorizes security patches by platform/OS release, and by bulletin topic. Security Patch Check completely automates the process of reviewing the patch matrix for 11.XX systems. For information on the Security Patch Check tool, see: http://www.software.hp.com/cgi-bin/swdepot_parser.cgi/cgi/ displayProductInfo.pl?productNumber=B6834AA" The security patch matrix is also available via anonymous ftp: ftp.itrc.hp.com:~ftp/export/patches/hp-ux_patch_matrix On the "Support Information Digest Main" page: click on the "HP Security Bulletin Archive". E. 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: HPSBUX0110-172-------------------------------------- Document ID: HPSBUX0110-171 Date Loaded: 20011016 Title: Sec. Vulnerability in IA HP-UX 11.20 only --------------------------------------------------------------- HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0171, Originally issued: 16 October '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 restrictions are not consistently enforced when starting applications under HP-UX 11.20. PLATFORM: IPF running HP-UX 11.20 only. DAMAGE: A user can gain increased privilege. SOLUTION: Apply the patch mentioned below HP-UX 11.20: PHSS_25454 MANUAL ACTIONS: None AVAILABILITY: The patch is available now. --------------------------------------------------------------- A. Background Hewlett-Packard Company has discovered that on a native IA system running HP-UX 11.20, all HP-UX commands are incorrectly built. B. Fixing the problem Obtain and apply the patch: HP-UX 11.20: PHSS_25454 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 get 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, in order to gain access to many areas of the ITRC. Remember to save the User ID assigned to you, and your password. 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. To -gain access- to the Security Patch Matrix, select the link for "The Security Bulletins Archive". (near the bottom of the page) Once in the archive the third link is to the current Security Patch Matrix. Updated daily, this matrix categorizes security patches by platform/OS release, and by bulletin topic. Security Patch Check completely automates the process of reviewing the patch matrix for 11.XX systems. For information on the Security Patch Check tool, see: http://www.software.hp.com/cgi-bin/swdepot_parser.cgi/cgi/ displayProductInfo.pl?productNumber=B6834AA" The security patch matrix is also available via anonymous ftp: ftp.itrc.hp.com:~ftp/export/patches/hp-ux_patch_matrix On the "Support Information Digest Main" page: click on the "HP Security Bulletin Archive". 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: HPSBUX0110-171-------------------------------------- ====================================================================== ========================================================= Les serveurs de référence du CERT-Renater http://www.urec.fr/securite http://www.cru.fr/securite http://www.renater.fr ========================================================= + CERT-RENATER | tel : 01-53-94-20-44 + + 151 bd de l'Hopital | fax : 01-53-94-20-41 + + 75013 Paris | email: certsvp@renater.fr + =========================================================