__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN HP-UX dtterm misuse November 8, 2000 21:00 GMT Number L-017 ______________________________________________________________________________ PROBLEM: dtterm has misuse potential. PLATFORM: HP9000 systems running HP-UX releases 11.00, 11.04, 10.20,10.24, and 10.10. DAMAGE: Users can gain unauthorized privileges. SOLUTION: Apply appropriate patches ______________________________________________________________________________ VULNERABILITY The risk is medium. Allows elevated privileges, but must have ASSESSMENT: prior access. ______________________________________________________________________________ --- Begin Hewlett-Packard Bulletin --- ------------------------------------------------------------------------- HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0128, 02 Nov. '00 ------------------------------------------------------------------------- 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: dtterm has misuse potential. PLATFORM: HP9000 systems running HP-UX releases 11.00, 11.04, 10.20, 10.24, and 10.10. DAMAGE: Users can gain unauthorized privileges. SOLUTION: Apply appropriate patches as listed below and see instructions below. For HP-UX release 11.00: PHSS_22320, HP-UX release 11.04: PHSS_22548, HP-UX release 10.20: PHSS_22319, HP-UX release 10.24: PHSS_22546, HP-UX release 10.10: not yet available. AVAILABILITY: Patches are available except as indicated above. ------------------------------------------------------------------------- I. A. Background Hewlett-Packard Company has been notified of vulnerabilities in dtterm. B. Fixing the problem: Apply patches as listed below and change permissions where patches are not yet available. For HP-UX release 11.00: PHSS_22320, HP-UX release 11.04: PHSS_22548, HP-UX release 10.20: PHSS_22319 and do chmod(1) (below), HP-UX release 10.24: PHSS_22546, HP-UX release 10.10: not yet available, do chmod(1)'s (below). Patches are not currently available for /usr/dt/bin/dtterm on HP-UX release 10.10. Patches are not currently available for /usr/vue/bin/dtterm on HP-UX release 10.10 and HP-UX release 10.20. Until patches are available the vulnerability can be removed by setting the permissions as follows: 10.10: chmod 555 /usr/dt/bin/dtterm chmod 555 /usr/vue/bin/dtterm 10.20 [/usr/dt/bin/dtterm fixed in PHSS_22319] chmod 555 /usr/vue/bin/dtterm --- End Hewlett-Packard Bulletin --- _______________________________________________________________________________ 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. 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