Mambo Arbitrary File Inclusion Vulnerability

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             AUSCERT External Security Bulletin Redistribution

       ESB-2005.0177 -- Mambo Arbitrary File Inclusion Vulnerability
                             22 February 2005

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        AusCERT Security Bulletin Summary
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Product:           Mambo 4.5.2 and prior
Operating System:  UNIX variants
                   Linux variants
                   Windows
                   Mac OS X
Impact:            Execute Arbitrary Code/Commands
Access:            Remote/Unauthenticated


PROBLEM:  

	An input validation error in Mambo's Tar.php allows a remote attacker 
	to control the GLOBALS['mosConfig_absolute_path'] parameter.

	This then allows an attacker to include and execute arbitrary PHP code 
	sourced from a remote site.


MITIGATION: 

	A patch from Mambo 4.5.2 to 4.5.2.1 has now been released fixing this 
	vulnerability. The patch is available at: 
	http://mamboforge.net/frs/?group_id=5

	Note that the vulnerability is not exploitable if PHP is configured 
	with register_globals = off.


REFERENCES:

	[1] Secunia Advisory SA14337
	    http://secunia.com/advisories/14337/


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

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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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