Date: Fri, 24 Aug 2001 15:37:02 -0400
From: IBM MSS Advisory Service <advisory@us.ibm.com.>
To: [email protected]Subject: IBM AIX Security Notification: Web site defacements
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IBM AIX Security Notification
Wed, 22 August 2001, 13:50:04 CDT
Over the last few days, the IBM AIX Security Team has become aware of
a hacker group that has been targeting systems running the AIX operating
system, breaking into these systems, and defacing web sites on those
systems.
The tools being used to accomplish the breakins appear to be those
principally written by a Polish hacking crew using the name "Last
Stages of Delirium". Similar tools that take advantage of the same
vulnerabilities are available from elsewhere, too.
We have researched as many as we have been aware of software tools that
are being used to see if any of the vulnerabilities have or have not been
closed under AIX.
So far, we have determined that of all the vulnerabilties these tools
exploit have been fixed by IBM, dating back to 1996. APARs for all of
the vulnerabilities have been available to customers.
Here is a listing of the exploits we know of being used to gain access
to AIX systems during the recent attacks and the AIX version numbers
and APAR numbers associated with the fix for that version:
1. chatmpvc, mkatmpvc, rmatmpvc 4.3, APAR #IY08128
4.2, APAR #IY08288
2. digest 4.3, APAR #IX74599
4.2, APAR #IX76272
4.1, APAR #IX74457
3. dtaction 4.3, APAR #IY02944
4. dtprintinfo 4.3, APAR #IY06367
4.2, APAR #IY06547
5. ftpd 4.3, APAR #IY04477
4.2, APAR #IX85556
4.1, APAR #IX85555
6. nslookup 4.3, APAR #IY02120
4.3, APAR #IX9909
7. pdnsd Associated product out of service;
Customers avised to disable
and/or uninstall.
8. rpc.ttdbserverd 4.3, APAR #IX81442
4.2, APAR #IX81441
9. piobe, piomkapqd 4.3, APAR #IY12638
10. portmir 4.3, APAR #IY07832
11. sdrd SP systems only;
4.3, APAR #IX80724
12. setsenv 4.3, APAR #IY08812
13. telnetd E-fix available;
4.3, IY22029
5.1, IY22021
Affected customers are urged to upgrade the level of their AIX operating
systems and/or apply the APARs listed above to protect their systems.
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