-----BEGIN PGP SIGNED MESSAGE----- __________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN HP-UX ftp Security Vulnerability July 28, 1998 18:00 GMT Number I-078 ______________________________________________________________________________ PROBLEM: A vulnerability has been identified in the ftp client. PLATFORM: HP9000 series 700/800, HP-UX releases 9.X, 10.X, and 11.00 DAMAGE: If exploited, local users may increase their privileges. This could lead to tricking the ftp client into running arbitrary commands. SOLUTION: Apply the patches listed below. ______________________________________________________________________________ VULNERABILITY Hewlett-Packard recommends that these patches be applied as ASSESSMENT: soon as possible. ______________________________________________________________________________ [ Start Hewlett-Packard Advisory ] Document ID: HPSBUX9807-079 Date Loaded: 19980722 Title: Security Vulnerability with ftp on HP-UX - ------------------------------------------------------------------------- HEWLETT-PACKARD SECURITY BULLETIN: #00079 23 July 1998 - ------------------------------------------------------------------------- The information in the following Security Bulletin should be acted upon as soon as possible. Hewlett-Packard 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: ftp client interprets server provided filenames which can cause commands to be run on the client. PLATFORM: HP9000 series 700/800, HP-UX releases 9.X, 10.X, and 11.00 DAMAGE: Local users can increase their privileges SOLUTION: Install the patches listed below. AVAILABILITY: All patches are available now, except as noted. - ------------------------------------------------------------------------- I. A. Background The ftp client can be tricked into running arbitrary commands supplied by the remote server. B. Fixing the problem Install the applicable patches for the fileset: ARPA-RUN ARPA-MAN HP-UX release 9.X PHNE_13595 Install the applicable patches for the fileset: InternetSrvcs.INETSVCS-RUN or InternetSrvcs.INET-ENG-A-MAN. HP-UX release 10.0,10.01,10.10 PHNE_13596 HP-UX release 10.16 PHNE_16006 * HP-UX release 10.20 PHNE_13597 HP-UX release 10.24 PHNE_15802 HP-UX release 11.00 PHNE_14479 The CMW release (HP-UX 10.16) will be available after 10 August 98. Install the applicable patches for the fileset: InternetSvcSec.INETSVCS-SEC or InternetSvcSec.ISEC-ENG-A-MAN, (Secure Internet Services), HP-UX release 10.20 PHNE_15544 C. Recommended solution - Install the applicable patches. NOTE: The Secure Internet Services product, if enabled, has to be disabled before the installation and removal of patch PHNE_15544 for HP-UX 10.20. If Secure Internet Services is enabled during patch installation, the installation will fail with an error. NOTE: On the HP-UX 11.00 release patch only: This version of FTP has some new configuration files that can be used to take advantage of new functionality. Sample of the new configuration files are provided in /usr/newconfig/etc/ftpd. These files can be altered per your needs and copied to the location /etc/ftpd. Information on these new features introduced by this new version of ftpd are in the file: /usr/share/doc/RelNotes_newftp.txt D. To subscribe to automatically receive future NEW HP Security Bulletins from the HP Electronic Support Center via electronic mail, do the following: User your browser to get to the HP Electronic Support Center page at: http://us-support.external.hp.com (for US, Canada, Asia-Pacific, & Latin-America) http://europe-support.external.hp.com (for Europe) Login with your user ID and password, or register for one (remember to save the User ID assigned to you, and your password). Once you are on the Main Menu, Click on the Technical Knowledge Database, and it will connect to a HP Search Technical Knowledge DB page. Near the bottom is a link to our Security Bulletin archive. Once in the archive there is another link to our current security patch matrix. Updated daily, this matrix is categorized by platform/OS release, and by bulletin topic. F. 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: HPSBUX9807-079-------------------------------------- [ End Hewlett-Packard Advisory ] ______________________________________________________________________________ CIAC wishes to acknowledge the contributions of Hewlett-Packard for the information contained in this bulletin. ______________________________________________________________________________ CIAC, the Computer Incident Advisory Capability, is the computer security incident response team for the U.S. Department of Energy (DOE) and the emergency backup response team for the National Institutes of Health (NIH). CIAC is located at the Lawrence Livermore National Laboratory in Livermore, California. CIAC is also a founding member of FIRST, the Forum of Incident Response and Security Teams, a global organization established to foster cooperation and coordination among computer security teams worldwide. CIAC services are available to DOE, DOE contractors, and the NIH. CIAC can be contacted at: Voice: +1 925-422-8193 FAX: +1 925-423-8002 STU-III: +1 925-423-2604 E-mail: ciac@llnl.gov For emergencies and off-hour assistance, DOE, DOE contractor sites, and the NIH may contact CIAC 24-hours a day. During off hours (5PM - 8AM PST), call the CIAC voice number 925-422-8193 and leave a message, or call 800-759-7243 (800-SKY-PAGE) to send a Sky Page. CIAC has two Sky Page PIN numbers, the primary PIN number, 8550070, is for the CIAC duty person, and the secondary PIN number, 8550074 is for the CIAC Project Leader. Previous CIAC notices, anti-virus software, and other information are available from the CIAC Computer Security Archive. World Wide Web: http://www.ciac.org/ (or http://ciac.llnl.gov -- they're the same machine) Anonymous FTP: ftp.ciac.org (or ciac.llnl.gov -- they're the same machine) Modem access: +1 (925) 423-4753 (28.8K baud) +1 (925) 423-3331 (28.8K baud) CIAC has several self-subscribing mailing lists for electronic publications: 1. CIAC-BULLETIN for Advisories, highest priority - time critical information and Bulletins, important computer security information; 2. SPI-ANNOUNCE for official news about Security Profile Inspector (SPI) software updates, new features, distribution and availability; 3. SPI-NOTES, for discussion of problems and solutions regarding the use of SPI products. Our mailing lists are managed by a public domain software package called Majordomo, which ignores E-mail header subject lines. To subscribe (add yourself) to one of our mailing lists, send the following request as the E-mail message body, substituting ciac-bulletin, spi-announce OR spi-notes for list-name: E-mail to ciac-listproc@llnl.gov or majordomo@tholia.llnl.gov: subscribe list-name e.g., subscribe ciac-bulletin You will receive an acknowledgment email immediately with a confirmation that you will need to mail back to the addresses above, as per the instructions in the email. This is a partial protection to make sure you are really the one who asked to be signed up for the list in question. If you include the word 'help' in the body of an email to the above address, it will also send back an information file on how to subscribe/unsubscribe, get past issues of CIAC bulletins via email, etc. PLEASE NOTE: Many users outside of the DOE, ESnet, and NIH computing communities receive CIAC bulletins. If you are not part of these communities, please contact your agency's response team to report incidents. Your agency's team will coordinate with CIAC. The Forum of Incident Response and Security Teams (FIRST) is a world-wide organization. A list of FIRST member organizations and their constituencies can be obtained via WWW at http://www.first.org/. 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 infringe privately owned rights. Reference herein to any specific 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. LAST 10 CIAC BULLETINS ISSUED (Previous bulletins available from CIAC) I-068: File Access Issue With Internet Information Server I-069: Buffer overflows in some POP servers I-070: Distributed DoS Attack Against NIS/NIS+ Networks I-071: OpenVMS loginout Vulnerability I-072: SunOS Solaris Vulnerabilities (libnsl, SUNWadmap) I-073: multiscan ('mscan') Tool I-074: Buffer Overflow in Some Implementations of IMAP Servers I-075: Microsoft Office 98 Security Vulnerability I-076: SGI IRIX ioconfig(1M) and disk_bandwidth(1M) Vulnerability I-077: Mime Name Vulnerability in Outlook and Messenger -----BEGIN PGP SIGNATURE----- Version: 4.0 Business Edition iQCVAwUBNb43O7nzJzdsy3QZAQG8NwQAyIE1Ts0O3REzgXu7Rwk31Ffk6nBJHfVH zR+jhVyMXlADY/1bj6DXDjvFguvLr/1e5Ra9K0ugdEIgeOU8QMm30uXD2Vrl8B9t EHVuHDXyHgR0PQzcCCUscml1bX0LW6CdWD9/LgCdyR5Y12U+VcLxR9QSRNZfkAsS +ANv0e7DIVE= =5q7j -----END PGP SIGNATURE-----