Apple Xcode GDB DWARF Binary Bug Lets Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1017138
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SecurityTracker URL: http://securitytracker.com/id?1017138
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CVE Reference: CVE-2006-4146
(Links to External Site)
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Date: Nov 1 2006
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Impact: Execution of arbitrary code via network, User access via network
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Fix Available: Yes
Vendor Confirmed: Yes
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Advisory: Apple Security Advisory
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Version(s): prior to 2.4.1
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Description: A vulnerability was reported in Apple Xcode. A remote user can cause arbitrary code to be executed on the target user's system.
A remote user can create a specially crafted DWARF binary file that, when loaded by the target user with the GNU Debugger (GDB) component
of Xcode, will execute arbitrary code on the target system. The code will run with the privileges of the target user.
Apple
credits Will Drewry and Tavis Ormandy of the Google Security Team with reporting this vulnerability.
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Impact: A remote user can create a DWARF binary file that, when loaded by the target user, will execute arbitrary code on the target user's system.
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Solution: The vendor has issued a fixed version (2.4.1), available at:
http://developer.apple.com/tools/download/
The download file is
named: "xcode_2.4.1_8m1910_6936315.dmg"
Its SHA-1 digest is: 15204bc175c68c62045521c2b8df00760d1c4efc
The Apple advisory is
available at:
http://docs.info.apple.com/article.html?artnum=61798
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Vendor URL: docs.info.apple.com/article.html?artnum=61798 (Links to External Site)
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Cause: Not specified
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Underlying OS: UNIX (OS X)
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Reported By: Apple Product Security <product-security-noreply@lists.apple.com>
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Tue, 31 Oct 2006 16:48:55 -0800
From: Apple Product Security <product-security-noreply@lists.apple.com>
Subject: APPLE-SA-2006-10-31 Xcode Tools 2.4.1
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
APPLE-SA-2006-10-31 Xcode Tools 2.4.1
Xcode Tools 2.4.1 is now available. Along with functionality
improvements (see release notes), it also fixes the following
security issue:
GDB
CVE-ID: CVE-2006-4146
Available for: Mac OS X v10.4 and later
Impact: Opening a maliciously-crafted DWARF binary with GDB may
lead to arbitrary code execution
Description: GDB, the GNU Debugger, is susceptible to multiple
vulnerabilities that may lead to arbitrary code execution when
loading maliciously-crafted DWARF binaries. This update
addresses the issues by performing additional validation while
handling DWARF binaries. Credit to Will Drewry and Tavis Ormandy
of the Google Security Team for reporting this issue.
Xcode Tools 2.4.1 may be obtained from:
http://developer.apple.com/tools/download/
The download file is named: "xcode_2.4.1_8m1910_6936315.dmg"
Its SHA-1 digest is: 15204bc175c68c62045521c2b8df00760d1c4efc
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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