[NEWS] Darwin Streaming Server Remote Denial of Service Vulnerability
From: SecuriTeam (support_at_securiteam.com)
To: firstname.lastname@example.org Date: 24 Feb 2004 10:10:35 +0200
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Darwin Streaming Server Remote Denial of Service Vulnerability
Darwin Streaming Server is server technology allowing for the streaming of
QuickTime data to clients across the Internet using the industry standard
RTP and RTSP protocols. Exploitation of a flaw in Apple Computer Inc's
Darwin Streaming Server allows unauthenticated remote attackers to prevent
* Darwin Streaming Server version 4.1.3
The vulnerability specifically occurs upon parsing of DESCRIBE requests
with specially crafted User-Agent fields. Making a request with a
User-Agent field containing over 255 characters causes an assert error in
CommonUtilitiesLib/StringFormatter.h line 97:
virtual void BufferIsFull(char* /*inBuffer*/, UInt32/*inBufferLen*/)
Successful exploitation disrupts further content streaming capabilities.
This is fixed in Security Update 2004-02-23 available for Mac OS X 10.3.2
Server and Mac OS X 10.2.8 Server. The update and further information is
available from Apple's Support site at: <http://www.apple.com/support/>
The Common Vulnerabilities and Exposures (CVE) project has assigned the
CAN-2004-0169 to this issue. This is a candidate for inclusion in the CVE
list (http://cve.mitre.org), which standardizes names for security
December 8, 2003 - Exploit acquired by iDEFENSE
January 29, 2004 - iDEFENSE clients notified
January 29, 2004 - Initial vendor notification
January 29, 2004 - Vendor response received
February 23, 2004 - Coordinated public disclosure
The information has been provided by
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