Operating System:

Published:

06 January 2005

Protect yourself against future threats.

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             AUSCERT External Security Bulletin Redistribution

  ESB-2005.0011 -- Nullsoft SHOUTcast Server format string vulnerability
                              6 January 2005

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Nullsoft SHOUTcast Server 1.9.4 and prior
Operating System:  Linux variants
                   Windows
                   Solaris
                   FreeBSD
Impact:            Execute Arbitrary Code/Commands
Access:            Remote/Unauthenticated


PROBLEM:  

	Nullsoft SHOUTcast Server contains a format string vulnerability that
	allows remote execution of arbitrary code.


VERSIONS:

	SHOUTcast Server 1.9.4 and prior are vulnerable.


IMPACT:

	A remote attacker can execute arbitrary code compromising the server 
	by sending a URL request containing format character sequences.

	AusCERT advises that working exploit code for this vulnerability has
	been made public.


MITIGATION: 

	Version 1.9.5 has been released fixing this vulnerability. 
	The new version is available from Nullsoft at:
	http://www.shoutcast.com/download/serve.phtml


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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