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Thread: Alternate Data Streams - is HFS vulnerable too?

  1. October 17th, 2004, 07:09 PM #1
    MissMetal
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    Alternate Data Streams - is HFS vulnerable too?

    I've been reading a lot about ADS as of late, but I haven't found an answer to this question: Is ADS a vulnerability of HFS as well? Supposedly NTFS uses a rip off of HFS's forking which leaves NTFS vulnerable to ADS attacks, but what about HFS? Is this a problem too?
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  2. October 18th, 2004, 11:24 AM #2
    thehorse13
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    Wow, a question about the ancient Hierarchical File System (HFS). Are you referring to the original UNIX version, Macintosh, OS/2, DOS or WinNT? To date, no file (data) streaming vulnerabilities are known to exist in the *original* (UNIX) implementation. The problem with NTFS file streaming is not directly related to the original design of HFS, rather, the bastardized implementation that Microsoft cooked up based on how HFS forking operates.


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  3. October 18th, 2004, 04:42 PM #3
    MissMetal
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    Ah, thank you. I was under the impression that MacOSX is run on HFS..
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  4. October 19th, 2004, 02:23 AM #4
    jinxy
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    I was under the impression that MacOSX is run on HFS..
    It does afaik. But it is journalled.

    Fresh on the heels of its "Jaguar" release of Mac OS X 10.2, Apple Computer Inc. is about to spring a new surprise for the Unix-based OS: A journaled file system designed to provide corporate Mac sites with a new, historical view of their data.
    Taken from this article: http://www.eweek.com/article2/0,3959,634711,00.asp
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