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- Article Title
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- Macintosh version of Word '98 includes sensitive material in document files.
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- Article Summary
- Microsoft recently released a patch that solves a serious security problem in Word '98 for Macintosh.
- It seems that Word '98 includes unrelated data taken from the hard-drive. This data can contain
- passwords, or other confidential information that is on the hard-drive.
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- Article Details
- Since Word ignores the logical end of file and includes the entire contents of the final disk sector in the file,
- other information can be placed in a document file. When this file is sent to other recipients, the hidden data
- is sent with it.
- This data is not viewable by Word, but any binary editor can view the file and reveal the information in it.
- Although Microsoft claims only information from the hard drive is placed in the document (a bad thing by
- itself!) several reports mention that information from the memory is included as well.
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- Additional information
- MacInTouch magazine has conducted a thorough research on this problem:
- http://www1.macintouch.com/o98security.html
- Microsoft has published a knowledge base article on this matter:
- http://www.microsoft.com/macoffice/productinfo/issues.htm
- And also released a patch that solves this problem:
- http://www.microsoft.com/macoffice/productinfo/98dl/offi98patch.htm
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