Apple Mail Buffer Overflow in Sending SMTP via IPv6 May Cause Arbitrary Code Execution
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SecurityTracker Alert ID: 1020140 |
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SecurityTracker URL: http://securitytracker.com/id/1020140
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CVE Reference:
CVE-2008-1576
(Links to External Site)
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Date: May 29 2008
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Impact:
Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, User access via network
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Fix Available: Yes Vendor Confirmed: Yes
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Description:
A vulnerability was reported in Apple Mail. A remote user may be able to execute arbitrary code on the target system.
When a user sends mail via an SMTP server and using IPv6, Apple Mail does not properly initialize memory and a buffer overflow may occur. Arbitrary code may be executed on the target system. Also, potentially sensitive information may be delivered to message recipients and mail server administrators.
Systems running Mac OS X v10.5 and later are not affected.
Derek Morr of The Pennsylvania State University reported this vulnerability.
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Impact:
A remote user may be able to execute arbitrary code on the target system.
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Solution:
The vendor has issued a fix as part of Security Update 2008-003 and Mac OS X v10.5.3, available from the Software Update pane in System Preferences, or Apple's Software Downloads web site at:
http://www.apple.com/support/downloads/
The Software Update utility will present the update that applies to your system configuration. Only one is needed, either Security Update 2008-003 or Mac OS X v10.5.3.
For Mac OS X v10.5.2
The download file is named: "MacOSXUpd10.5.3.dmg"
Its SHA-1 digest is: 017ef905e5653b04e2455da261e804a72bf40139
For Mac OS X v10.5 - v10.5.1
The download file is named: "MacOSXUpdCombo10.5.3.dmg"
Its SHA-1 digest is: 69acd7399de25f1548675d660fdf24eb401e3de3
For Mac OS X Server v10.5.2
The download file is named: "MacOSXServerUpd10.5.3.dmg"
Its SHA-1 digest is: 336c9dceca724eab0b8c9db3943be3f9ecf244a4
For Mac OS X Server v10.5 - v10.5.1
The download file is named: "MacOSXServerUpdCombo10.5.3.dmg"
Its SHA-1 digest is: fdb2187d19ce21caecd3c3ba6b6fa6f65c9c3a4f
For Mac OS X v10.4.11 (Intel)
The download file is named: "SecUpd2008-003Intel.dmg"
Its SHA-1 digest is: 8f84d2f757c2fb277b139f72ef501dc894620e97
For Mac OS X v10.4.11 (PowerPC)
The download file is named: "SecUpd2008-003PPC.dmg"
Its SHA-1 digest is: 51e98d988c5bb09d4b1052199d90a9d65af7c8e7
For Mac OS X Server v10.4.11 (Universal)
The download file is named: "SecUpdSrvr2008-003Univ.dmg"
Its SHA-1 digest is: 337a05956b5a6e962b286a91beee9eb217a0175c
For Mac OS X Server v10.4.11 (PowerPC)
The download file is named: "SecUpdSrvr2008-003PPC.dmg"
Its SHA-1 digest is: 94cab2b4e5d26a284c5d91d0fe4dc20b4e9cfc97
The vendor's advisory is available at:
http://support.apple.com/kb/HT1897
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Vendor URL: support.apple.com/kb/HT1897 (Links to External Site)
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Cause:
Boundary error
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Underlying OS:
UNIX (OS X)
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Message History:
None.
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Source Message Contents
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Date: Wed, 28 May 2008 15:59:23 -0700
Subject: APPLE-SA-2008-05-28 Security Update 2008-003 and Mac OS X v10.5.3
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Mail
CVE-ID: CVE-2008-1576
Available for: Mac OS X v10.4.11, Mac OS X Server v10.4.11
Impact: Sending mail through an SMTP server over IPv6 may lead to an
unexpected application termination, information disclosure, or
arbitrary code execution
Description: An uninitialized buffer issue exists in Mail. When
sending mail through an SMTP server over IPv6, Mail may use a buffer
containing partially uninitialized memory, which could result in the
disclosure of sensitive information to message recipients and mail
server administrators. This could also potentially lead to an
unexpected application termination or arbitrary code execution. This
update addresses the issue by properly initializing the variable.
This issue does not affect systems running Mac OS X v10.5 or later.
Credit to Derek Morr of The Pennsylvania State University for
reporting this issue.
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