Date: Mon, 28 Feb 2011 15:26:41 -0500 From: Dan Rosenberg <dan.j.rosenberg@...il.com> To: oss-security@...ts.openwall.com Subject: CVE request: FreeBSD/OS X crontab information leakage Details here: http://marc.info/?l=full-disclosure&m=129891323028897&w=2 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) No preference for single vs. multiple CVEs. -Dan
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