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AUSCERT External Security Bulletin Redistribution
ESB-2006.0590 -- [OSX]
Apple Xsan Filesystem path name buffer overflow
18 August 2006
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AusCERT Security Bulletin Summary
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Product: Xsan Filesystem 1.3 and prior
Publisher: Apple
Operating System: Mac OS X 10.4.7
Mac OS X Server 10.4.7
Impact: Root Compromise
Access: Existing Account
CVE Names: CVE-2006-3506
Original Bulletin:
http://docs.info.apple.com/article.html?artnum=304188
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APPLE-SA-2006-08-17 Xsan Filesystem 1.4
Xsan Filesystem 1.4 is now available. Along with functionality
improvements (see release notes), it also fixes the following
security issue:
CVE-ID: CVE-2006-3506
Available for: Mac OS X v10.4.7, Mac OS X Server v10.4.7
Impact: Malicious users may be able to cause systems using Xsan
to crash or execute arbitrary code
Description: A buffer overflow may occur in the Xsan Filesystem
driver when processing a path name. A malicious user with write
access to an Xsan volume may be able to trigger the overflow on
systems directly attached to Xsan. This could lead to a system
crash or arbitrary code execution with system privileges. This
update addresses the issue by performing additional validation
of path names. Credit to Andrew Wellington of The Australian
National University for reporting this issue.
Xsan Filesystem 1.4 may be obtained from:
http://www.apple.com/support/downloads/
The download file is named: "XsanFilesystemUpdate1.4.dmg"
Its SHA-1 digest is: 504c111b9b8a350363bf1c13910d499faff0b9f8
Information will also be posted to the Apple Product Security
web site: http://docs.info.apple.com/article.html?artnum=61798
This message is signed with Apple's Product Security PGP key,
and details are available at:
http://www.apple.com/support/security/pgp/
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
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Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
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