Darwin Streaming Server DESCRIBE request denial of service

darwin-describe-request-dos (15291) The risk level is classified as MediumMedium Risk

Description:

Darwin Streaming Server is vulnerable to a denial of service. By sending a specially-crafted DESCRIBE request with a User-Agent field that contains more than 255 characters, a remote attacker could cause an error to occur, which would deny other users access to streamed content.


Consequences:

Denial of Service

Remedy:

Apply Security Update 2004-02-23, available from the Apple Computer, Inc. Web site. See References.

References:

  • Apple Computer, Inc. Web site: AppleCare Service & Support.
  • iDEFENSE Security Advisory 02.23.04: Darwin Streaming Server Remote Denial of Service Vulnerability .
  • BID-9735: Apple QuickTime/Darwin Streaming Server DESCRIBE Request Remote Denial of Service Vulnerability
  • CVE-2004-0169: QuickTime Streaming Server in MacOS X 10.2.8 and 10.3.2 allows remote attackers to cause a denial of service (crash) via DESCRIBE requests with long User-Agent fields, which causes an Assert error to be triggered in the BufferIsFull function.
  • OSVDB ID: 6826: Apple Darwin Streaming Server User-Agent Overflow DoS
  • OSVDB ID: 6837: Apple QuickTime Streaming Server User-Agent Overflow DoS
  • US-CERT VU#460350: Apple Quicktime/Darwin Streaming Server fails to properly parse DESCRIBE requests

Platforms Affected:

  • Apple Darwin Streaming Server 4.1.3

Reported:

Feb 23, 2004

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