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Date: Mon, 28 Feb 2011 16:13:23 -0500 (EST)
From: Josh Bressers <>
Cc: coley <>
Subject: Re: CVE request: FreeBSD/OS X crontab information

This should probably get three.

----- Original Message -----
> Details here:
> There are three leaks, each of which amounts to a minor DAC bypass.
> 1. Leakage of file/directory existence via stat() calls (e.g.
> determining if a file exists regardless of search permissions on
> directories)


> 2. Leakage of directory existence via realpath()


> 3. Arbitrary MD5 comparison (e.g. ability to determine if any two
> files have identical MD5 hashes, regardless of read permissions on
> those files)




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