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APPLE-SA-2007-02-15 Security Update 2007-002
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APPLE-SA-2007-02-15 Security Update 2007-002



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APPLE-SA-2007-02-15 Security Update 2007-002

Security Update 2007-002 is now available and addresses the following
issues:

Finder
CVE-ID:  CVE-2007-0197
Available for:  Mac OS X v10.4.8, Mac OS X Server v10.4.8
Impact:  Mounting a maliciously-crafted disk image may lead to an
application crash or arbitrary code execution
Description:  A buffer overflow exists in Finder's handling of
volume names. By enticing a user to mount a malicious disk
image, an attacker could trigger this issue, which may lead to
an application crash or arbitrary code execution. A proof of
concept for this issue has been published on the Month of Apple
Bugs web site (MOAB-09-01-2007). This update addresses the issue
by performing additional validation of disk images. This issue
does not affect systems prior to Mac OS X v10.4. Credit to Kevin
Finisterre of DigitalMunition for reporting this issue.

iChat
CVE-ID:  CVE-2007-0614, CVE-2007-0710
Available for:  Mac OS X v10.3.9, Mac OS X Server v10.3.9, Mac OS
X v10.4.8, Mac OS X Server v10.4.8
Impact:  Attackers on the local network may be able to cause
iChat to crash
Description:  A null pointer dereference in iChat's Bonjour
message handling could allow a local network attacker to cause
an application crash. A proof of concept for this issue in Mac
OS X v10.4 has been published on the Month of Apple Bugs web
site (MOAB-29-01-2007). This update addresses the issues by
performing additional validation of Bonjour messages.

iChat
CVE-ID:  CVE-2007-0021
Available for:  Mac OS X v10.3.9, Mac OS X Server v10.3.9, Mac OS
X v10.4.8, Mac OS X Server v10.4.8
Impact:  Visiting malicious websites may lead to an application
crash or arbitrary code execution
Description:  A format string vulnerability exists in the iChat
AIM URL handler. By enticing a user to access a maliciously-crafted
AIM URL, an attacker can trigger the overflow, which may lead to an
application crash or arbitrary code execution. A proof of concept for
this issue has been published on the Month of Apple Bugs web site
(MOAB-20-01-2007). This update addresses the issue by performing
additional validation of AIM URLs.

UserNotification
CVE-ID:  CVE-2007-0023
Available for:  Mac OS X v10.3.9, Mac OS X Server v10.3.9, Mac OS
X v10.4.8, Mac OS X Server v10.4.8
Impact:  Malicious local users may be able to obtain system
privileges
Description:  The UserNotificationCenter process runs with
elevated privileges in the context of a local user. This may
allow a malicious local user to overwrite or modify system
files. A program that triggers this issue has been published on
the Month of Apple Bugs web site (MOAB-22-01-2007). This update
addresses the issue by having UserNotificationCenter drop its
group privileges immediately after launching.

Security Update 2007-002 may be obtained from the Software Update
pane in System Preferences, or Apple's Software Downloads web site:
http://www.apple.com/support/downloads/

For Mac OS X v10.4.8 (PowerPC)
The download file is named:  "SecUpd2007-002Ti.dmg"
Its SHA-1 digest is:  79da4e0f61288277f9896e761903abf748d2dc21

For Mac OS X v10.4.8 (Intel)
The download file is named:  "SecUpd2007-002Univ.dmg"
Its SHA-1 digest is:  9a4b97853ac05ff407a8b8fe0906d916e219648b

For Mac OS X v10.3.9
The download file is named:  "SecUpd2007-002Pan.dmg"
Its SHA-1 digest is:  81199248bf7218d8788663153131ab51d31320a1

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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