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- DDN MGT Bulletin 65 DCA DDN Defense Communications System
- 08 Aug 89 Published by: DDN Network Info Center
- (NIC@NIC.DDN.MIL) (800) 235-3155
-
- DEFENSE DATA NETWORK
- MANAGEMENT BULLETIN
-
- The DDN MANAGEMENT BULLETIN is distributed online by the DDN Network
- Information Center under DCA contract as a means of communicating
- official policy, procedures and other information of concern to
- management personnel at DDN facilities. Back issues may be read
- through the TACNEWS server ("@n" command at the TAC) or may be
- obtained by FTP (or Kermit) from the SRI-NIC host [26.0.0.73 or
- 10.0.0.51] using login="anonymous" and password="guest". The pathname
- for bulletins is DDN-NEWS:DDN-MGT-BULLETIN-nn.TXT (where "nn" is the
- bulletin number).
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-
- SECURITY PROBLEM IN SUN3 AND SUN4 UNIX - /BIN/WALL
-
- APPLICABLE OPERATING SYSTEM: UNIX 4.0, 4.01, 4.03 running on Sun3 and
- Sun4 machines.
-
- PROBLEM: A serious security problem has been discovered relating to
- the /bin/wall program as distributed by SUN Microsystems.
- The flaw permits an unpriviledged user to manipulate system
- files by misusing /bin/wall.
-
- STATUS: SUN engineering has fixed the problem and has made the
- patch available. Please contact Sun's US customer support
- for the security patch. Versions for both Sun 3 products
- and Sun 4 products are available.
-
- It is also available on uunet.uu.net for anonymous ftp.
-
- CONTACTS: Call your Sun customer support representative to have the
- /bin/wall patch installed. Refer to this problem by Sun's
- bug number 1021702 or Sun Service Order 340209. If you
- have difficulty reaching your representative, call the Sun
- Hotline at
-
- (800) USA-4SUN or (800) 872-4786
-
- Call CERT at (412) 268-7090 for general problem information.
- Call SRI/NIC at 1-800-235-3155 for general information.
-
- NOTE(1): This bulletin represents the best information available
- at this time to fix this problem. As with any program
- modification, WORK WITH YOUR SUN REPRESENTATIVE TO INSTALL
- THIS PATCH.
-
- NOTE(2): Only those sites which have Sun3 and Sun4 equipment are
- affected.
-
-
-