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From the original averyjparker.com tech blog — historical context; pair with modern guides where noted.
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Network Ninja
Classic tip · Security
Blackberry Security Hole
There's another security warning out related to specially crafted image files. This time it's targetted at the blackberry, which is a small portable email/pda device. Basically a corrupted TIFF may l…
There's another security warning out related to specially crafted image files. This time it's targetted at the blackberry, which is a small portable email/pda device. Basically a corrupted TIFF may lead the user to be unable to view other image attachments. The US-CERT advisory seems to indicate that remote code execution could be possible, although there is no comment to this issue from the makers, Research in Motion.
The suggestion from Research in Motion (RIM in the quote) (via the Security Fix) is...
RIM doesn't say when it plans to have a fix available, but for now it is urging companies who use the service to reconfigure any machine serving as an internal BlackBerry Internet Server to filter TIFF images or disable the file-attachment capability altogether.