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IBM AIX Multiple Vulnerabilities
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Secunia Advisory:
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SA26715
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Release Date:
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2007-09-06
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Last Update:
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2008-01-24
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Popularity:
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8,601 views
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Critical:
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Less critical
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Impact:
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Manipulation of data
Privilege escalation
DoS
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Where:
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Local system
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Solution Status:
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Vendor Patch
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| OS: | AIX 5.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| | CVE reference: | CVE-2007-4791
CVE-2007-4792
CVE-2007-4793
CVE-2007-4794
CVE-2007-4795
CVE-2007-4796
CVE-2007-4797
CVE-2007-4798
CVE-2007-4799
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Description:
Multiple vulnerabilities have been reported in IBM AIX, which can be exploited by malicious, local users to delete certain system files, cause a DoS (Denial of Service), or gain escalated privileges.
1) Boundary errors within fcstat, ibstat, mkpath, svprint, swcons, uucp UNIX-to-UNIX Copy, and xlplm commands can be exploited to cause buffer overflows.
Successful exploitation allows execution of arbitrary code with root privileges.
2) User privileges are not being checked by the perfstat system call in perfstat kernel extension for SET operations and can be exploited to e.g. cause the system to hang.
3) An input validation error in the invscout command can be exploited to e.g. delete certain system files.
Solution:
Apply interim fixes or APARs as soon as they become available:
ftp://aix.software.ibm.com/aix/efixes/security/svprint_ifix.tar.Z
ftp://aix.software.ibm.com/aix/efixes/security/swcons_ifix.tar.Z
ftp://aix.software.ibm.com/aix/efixes/security/xlplm_ifix.tar.Z
ftp://aix.software.ibm.com/aix/efixes/security/invscout_ifix.tar.Z
AIX 5.2.0:
APAR IY94739
APAR IY91132
APAR IZ02717
APAR IY98819
APAR IY97215
APAR IZ00997
APAR IY98506
AIX 5.3.0:
APAR IY94761
APAR IY97233/IY97336
APAR IY91145
APAR IY97309
APAR IZ02718
APAR IY98804/IY98532
APAR IY95852/IY95935
APAR IZ00997
APAR IY98506
APAR IZ02810/IZ03045
Provided and/or discovered by:
Reported by the vendor.
Changelog:
2007-09-06: Updated advisory based on additional information from IBM. Added vulnerability #3 and additional link.
2007-09-11: Added CVE reference.
2007-12-12: Updated APAR list in "Solution" section.
2008-01-24: Updated "Solution" section (APAR IY98506/IZ00997 available).
Original Advisory:
IBM:
ftp://aix.software.ibm.com/aix/efixes/security/README
http://www-1.ibm.com/support/docview.wss?uid=isg1IY94739
http://www-1.ibm.com/support/docview.wss?uid=isg1IY94761
http://www-1.ibm.com/support/docview.wss?uid=isg1IY97233
http://www-1.ibm.com/support/docview.wss?uid=isg1IY91132
http://www-1.ibm.com/support/docview.wss?uid=isg1IY91145
http://www-1.ibm.com/support/docview.wss?uid=isg1IY97309
http://www-1.ibm.com/support/docview.wss?uid=isg1IZ02717
http://www-1.ibm.com/support/docview.wss?uid=isg1IZ02718
http://www-1.ibm.com/support/docview.wss?uid=isg1IY98819
http://www-1.ibm.com/support/docview.wss?uid=isg1IY98804
http://www-1.ibm.com/support/docview.wss?uid=isg1IY97215
http://www-1.ibm.com/support/docview.wss?uid=isg1IY95852
http://www-1.ibm.com/support/docview.wss?uid=isg1IY98506
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