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AA-2007.0013                  AUSCERT Advisory

                                   [AIX]
         swcons buffer overflow allows local privilege escalation
                               1 March 2007
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        AusCERT Advisory Summary
        ------------------------

Product:              swcons
Operating System:     AIX 5.2 and 5.3
Impact:               Root Compromise
Access:               Existing Account
CVE Names:            CVE-2007-0978
Member content until: Thursday, March 29 2007

OVERVIEW:

	The AIX swcons command contains a buffer overflow vulnerability 
	when handling long strings in its input. This potentially allows 
	a local attacker to elevate privileges to root. 

	Note that by default this binary can only be executed by users
	in the "system" group.


IMPACT:

	A local user in the "system" group may gain root privileges.


MITIGATION:

	IBM has produced a fix for this issue. [1][2]


REFERENCES:

	[1] IBM APAR IY94901 AIX 5.3
	    http://www-1.ibm.com/support/docview.wss?uid=isg1IY94901

	[2] IBM APAR IY94948 AIX 5L POWER V5
	    http://www-1.ibm.com/support/docview.wss?uid=isg1IY94948


AusCERT has made every effort to ensure that the information contained
in this document is accurate.  However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.

If you believe that your computer system has been compromised or attacked in 
any way, we encourage you to let us know by completing the secure National IT 
Incident Reporting Form at:

        http://www.auscert.org.au/render.html?it=3192

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
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