Apple Safari Web POST data information disclosure

safari-web-info-disclosure (16944) The risk level is classified as MediumMedium Risk

Description:

Safari Web browser could allow a remote attacker to obtain sensitive information. When a form is sent using a POST request to a server, and the server issues an HTTP redirect to a GET method URL, a remote attacker can use the forward and backward buttons to cause Safari to re-POST the information on the form to the GET URL, which could allow the remote attacker to obtain sensitive information.


Consequences:

Obtain Information

Remedy:

Apply the fix in 10.3.5 for this vulnerability, available from the Apple Software Download Web page. See References.

References:

  • Apple Software Download Web page: Apple - Suport - Downloads.
  • CIAC Information Bulletin O-212: Apple Security Update.
  • BID-10904: Apple Mac OS X 10.3.5 Released - Multiple Vulnerabilities Fixed
  • CVE-2004-0743: Safari in Mac OS X before 10.3.5, after sending form data using the POST method, may re-send the data to a GET method URL if that URL is redirected after the POST data and the user uses the forward or backward buttons, which may cause an information leak.
  • US-CERT VU#128414: Apple Safari fails to properly handle form data in HTTP redirects

Platforms Affected:

  • Apple Mac OS X 10.2
  • Apple Mac OS X 10.2.1
  • Apple Mac OS X 10.2.2
  • Apple Mac OS X 10.2.3
  • Apple Mac OS X 10.2.4
  • Apple Mac OS X 10.2.5
  • Apple Mac OS X 10.2.6
  • Apple Mac OS X 10.2.7
  • Apple Mac OS X 10.2.8
  • Apple Mac OS X 10.3
  • Apple Mac OS X 10.3.1
  • Apple Mac OS X 10.3.2
  • Apple Mac OS X 10.3.3
  • Apple Mac OS X 10.3.4
  • Apple Mac OS X Server 10.2
  • Apple Mac OS X Server 10.2.1
  • Apple Mac OS X Server 10.2.2
  • Apple Mac OS X Server 10.2.3
  • Apple Mac OS X Server 10.2.4
  • Apple Mac OS X Server 10.2.5
  • Apple Mac OS X Server 10.2.6
  • Apple Mac OS X Server 10.2.7
  • Apple Mac OS X Server 10.2.8
  • Apple Mac OS X Server 10.3
  • Apple Mac OS X Server 10.3.1
  • Apple Mac OS X Server 10.3.2
  • Apple Mac OS X Server 10.3.3
  • Apple Mac OS X Server 10.3.4
  • Apple Safari

Reported:

Aug 10, 2004

The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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