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IBM Products ctstrtcasd Local File Corruption Vulnerability
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Secunia Advisory:
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SA12664
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Release Date:
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2004-09-28
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Last Update:
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2004-10-21
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Critical:
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Less critical
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Impact:
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Privilege escalation
DoS
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Where:
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Local system
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Solution Status:
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Partial Fix
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| OS: | AIX 5.x
IBM Hardware Management Console (HMC)
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| | Software: | IBM Cluster Systems Management 1.x
IBM General Parallel File System (GPFS) 2.x
IBM Tivoli System Automation for Multiplatforms 1.x
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| | CVE reference: | CVE-2004-0828 (Secunia mirror)
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Description:
iDEFENSE Labs has reported a vulnerability in various IBM products, which can be exploited by malicious, local users to conduct certain actions on a vulnerable system with escalated privileges.
The vulnerability is caused due to an input validation error in ctstrtcasd, which is part of the Reliable Scalable Cluster Technology (RSCT) system, and can be exploited by specifying an arbitrary file as argument to the "-f" command line option.
Successful exploitation allows creation or corruption of arbitrary local files with "root" privileges.
The vulnerability reportedly affects the following products:
* IBM AIX 5L Version 5.2 on pSeries
* IBM AIX 5L Version 5.3 on pSeries
* IBM AIX 5L Version 5.2, 5.3 on an i5/OS (iSeries) partition
* IBM Tivoli System Automation (TSA) for Linux 1.1
* IBM Tivoli System Automation (TSA) for Multiplatforms 1.2
* IBM Cluster Systems Management (CSM) for Linux Version 1.4 (version 1.4 and greater)
* IBM Hardware Management Console (HMC) for pSeries Version 3
* IBM Hardware Management Console (HMC) for pSeries Version 4
* IBM General Parallel File System (GPFS) Version 2 Release 2 on Linux for xSeries and Linux for pSeries
Solution:
Apply fixes or use workarounds.
AIX 5.2 (APAR IY61950):
http://www-912.ibm.com/eserver/support/fixes/fcgui.jsp
AIX 5.3 (APAR IY61770):
http://www-912.ibm.com/eserver/support/fixes/fcgui.jsp
TSA for Linux 1.1:
A fix is not currently available. Remove the setuid bit from "/usr/sbin/rsct/bin/ctstrtcasd".
TSA for Multiplatforms 1.2:
Apply TSA PTF 2 (version number 1.2.0.2) for TSA Multiplatforms 1.2.
Cluster Systems Management on Linux (CSM PTF 1.4.0.3):
https://techsupport.services.ibm.com/server/cluster/fixes/csmfixhome.html
HMC Version Release 3.0, 3.1, and 3.2:
http://techsupport.services.ibm.com/s...mc/power4/fixes/mcode/sf_u800398.html
HMC Version 4 Release 1.0 and 2.0:
ftp://techsupport.services.ibm.com/eserver/pseries/hmc/fixes/MH00148.zip
General Parallel File System (GPFS):
A fix is not currently available. Remove the setuid bit from "/usr/sbin/rsct/bin/ctstrtcasd".
Provided and/or discovered by:
iDEFENSE Labs
Changelog:
2004-10-21: Updated "Solution" section.
Original Advisory:
IBM:
https://techsupport.services.ibm.com/...d+local+file+corruption+vulnerability
iDEFENSE:
http://www.idefense.com/application/poi/display?id=144&type=vulnerabilities
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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