From ciac@rumpole.llnl.gov Thu Mar 9 14:34:06 2000 From: CIAC Mail User Resent-From: mea culpa To: ciac-bulletin@rumpole.llnl.gov Resent-To: jericho@attrition.org Date: Fri, 25 Feb 2000 11:56:11 -0800 (PST) Subject: CIAC Bulletin K-022: FreeBSD - Asmon/Ascpu Vulnerability [ For Public Release ] -----BEGIN PGP SIGNED MESSAGE----- __________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN FreeBSD - Asmon/Ascpu Vulnerability February 24, 2000 17:00 GMT Number K-022 ______________________________________________________________________________ PROBLEM: Vulnerabilities have been identified in two Afterstep utilities, asmon and ascpu, which are distributed with FreeBSD. These utilities can allow a malicious user to execute arbitrary commands which may allow them elevated privileges. PLATFORM: The FreeBSD ports collection before 1/29/2000. DAMAGE: Exploiting these vulnerabilities may lead to a root compromise. SOLUTION: Either remove the software from the system or upgrade the utilities following the information in the attached bulletin. ______________________________________________________________________________ VULNERABILITY The risk is low. The utilities are part of a third-party port ASSESSMENT: distribution and are not installed by default with FreeBSD. ______________________________________________________________________________ http://ciac.llnl.gov/ciac/bulletins/k-022.shtml _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of FreeBSD, Inc. 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), use one of the following methods to contact CIAC: 1. Call the CIAC voice number 925-422-8193 and leave a message, or 2. Call 888-449-8369 to send a Sky Page to the CIAC duty person or 3. Send e-mail to 4498369@skytel.com, or 4. Call 800-201-9288 for the CIAC Project Leader. Previous CIAC notices, anti-virus software, and other information are available from the CIAC Computer Security Archive. 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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) K-012: Cisco Cache Engine Authentication Vulnerabilities K-013: Buffer Overflow in Sun Solstice AdminSuite Daemon sadmind K-014: HP-UX Aserver Vulnerability K-015: ColdFusion Information Exposure (CFCACHE Tag) K-016: Microsoft "Malformed IMAP Request" Vulnerability K-017: Microsoft "Malformed RTF Control Word" Vulnerability K-018: HP-UX - Security Vulnerability with PMTU Strategy K-019: Microsoft - "Spoofed LPC Port Request" Vulnerability K-020: Majordomo open() call Vulnerability K-021: Malicious HTML Tags Vulnerability -----BEGIN PGP SIGNATURE----- Version: 4.0 Business Edition iQCVAwUBOLbZGLnzJzdsy3QZAQH5TgP/ZaQC+SwArCBT7ApwUpzU/PvEaefSPn8e POPmLwn3X1rVEpn1S6YPej2epgjIETFgF4sOLjo6c1+EfeUXU2nJC2Ytj7Z+KH5P 5cawtu8jWyT0+ASWTH/TbnFf9mcqQwD9nE2J2/5Y8Ay4rnIAo9nJUbLSrk10jVUJ szie9BPqUks= =Vxkq -----END PGP SIGNATURE-----