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AUSCERT External Security Bulletin Redistribution
ESB-2000.341 -- HP Support Information Digests HPSBUX0011-128
Sec. Vulnerability in dtterm
14 November 2000
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AusCERT Security Bulletin Summary
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Product: dtterm
Vendor: Hewlett-Packard
Operating System: HP-UX 10.10, 10.20, 10.24, 11.00, and 11.04
Platform: HP9000
Impact: Increased Privileges
Access Required: Local
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Document ID: HPSBUX0011-128
Date Loaded: 20001101
Title: Sec. Vulnerability in dtterm
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HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0128, 02 Nov. '00
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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.
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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.
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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
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
Under the Maintenance and Support Menu (Electronic Support Center):
click on the "more..." link. Then -
Use the 'Login' tab at the left side of the screen to login
using your ID and password. Check with your system
administrator to see if you have an existing login or use
the "Register" button at the left to create a login. You will
need to login in order to gain access to many areas of the ITRC.
Remember to save the User ID assigned to you, and your password.
Under the Maintenance and Support Menu, click on the "more..."
link. 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". Once in
the archive the third link is to our current Security
Patch Matrix. Updated daily, this matrix categorizes security
patches by platform/OS release, and by bulletin topic.
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.
________________________________________________________________________
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