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Technical Cyber Security Alert TA05-136A
Apple Mac OS X is affected by multiple vulnerabilities

Original release date: May 16, 2005
Last revised: --
Source: US-CERT

Systems Affected

Mac OS X version 10.3.9 (Panther) and Mac OS X Server version 10.3.9

Overview

Apple has released Security Update 2005-005 to address multiple
vulnerabilities affecting Mac OS X and Mac OS X Server. The most
serious of these vulnerabilities may allow a remote attacker to
execute arbitrary code. Impacts of other vulnerabilities addressed by
the update include disclosure of information and denial of service.

I. Description

Apple Security Update 2005-005 resolves a number of vulnerabilities
affecting Mac OS X and OS X Server. Further details are available in
the following Vulnerability Notes:

VU#356070 - Apple Terminal fails to properly sanitize input for
x-man-page URI

Apple Terminal on Mac OS X fails to sanitize x-man-page URIs, allowing
a remote attacker to execute arbitrary commands.
(CAN-2005-1342)

VU#882750 - libXpm image library vulnerable to buffer overflow

libXpm image parsing code contains a buffer-overflow vulnerability
that may allow a remote attacker execute arbitrary code or cause a
denial-of-service condition.
(CAN-2004-0687)

VU#125598 - LibTIFF vulnerable to integer overflow via corrupted
directory entry count

An integer overflow in LibTIFF may allow a remote attacker to execute
arbitrary code.
(CAN-2004-1308)

VU#539110 - LibTIFF vulnerable to integer overflow in the
TIFFFetchStrip() routine

An integer overflow in LibTIFF may allow a remote attacker to execute
arbitrary code.
(CAN-2004-1307)

VU#537878 - libXpm library contains multiple integer overflow
vulnerabilities

libXpm contains multiple integer-overflow vulnerabilities that may
allow a remote attacker execute arbitrary code or cause a
denial-of-service condition.
(CAN-2004-0688)

VU#331694 - Apple Mac OS X chpass/chfn/chsh utilities do not properly
validate external programs

Mac OS X Directory Service utilities do not properly validate code
paths to external programs, potentially allowing a local attacker to
execute arbitrary code.
(CAN-2004-1335)

VU#582934 - Apple Mac OS X Foundation framework vulnerable to buffer
overflow via incorrect handling of an environmental variable

A buffer overflow in Mac OS X's Foundation Framework's processing of
environment variables may lead to elevated privileges.
(CAN-2004-1336)

VU#706838 - Apple Mac OS X vulnerable to buffer overflow via vpnd
daemon

Apple Mac OS X contains a buffer overflow in vpnd that could allow a
local, authenticated attacker to execute arbitrary code with root
privileges.
(CAN-2004-1343)

VU#258390 - Apple Mac OS X with Bluetooth enabled may allow file
exchange without prompting users

Apple Mac OS X with Bluetooth support may unintentionally allow files
to be exchanged with other systems by default.
(CAN-2004-1332)

VU#354486 - Apple Mac OS X Server Netinfo Setup Tool fails to validate
command line parameters

Apple Mac OS X Server NeST tool contains a vulnerability in the
processing of command line arguments that could allow a local attacker
to execute arbitrary code.
(CAN-2004-0594)

Please note that Apple Security Update 2005-005 addresses additional
vulnerabilities not described above. As further information becomes
available, we will publish individual Vulnerability Notes.

II. Impact

The impacts of these vulnerabilities vary, for information about
specific impacts please see the Vulnerability Notes. Potential
consequences include remote execution of arbitrary code or commands,
disclosure of sensitive information, and denial of service.

III. Solution

Install an Update

Install the update as described in Apple Security Update 2005-005.

Appendix A. References

* US-CERT Vulnerability Note VU#582934 -
<http://www.kb.cert.org/vuls/id/582934>

* US-CERT Vulnerability Note VU#258390 -
<http://www.kb.cert.org/vuls/id/258390>

* US-CERT Vulnerability Note VU#331694 -
<http://www.kb.cert.org/vuls/id/331694>

* US-CERT Vulnerability Note VU#706838 -
<http://www.kb.cert.org/vuls/id/706838>

* US-CERT Vulnerability Note VU#539110 -
<http://www.kb.cert.org/vuls/id/539110>

* US-CERT Vulnerability Note VU#354486 -
<http://www.kb.cert.org/vuls/id/354486>

* US-CERT Vulnerability Note VU#882750 -
<http://www.kb.cert.org/vuls/id/882750>

* US-CERT Vulnerability Note VU#537878 -
<http://www.kb.cert.org/vuls/id/537878>

* US-CERT Vulnerability Note VU#125598 -
<http://www.kb.cert.org/vuls/id/125598>

* US-CERT Vulnerability Note VU#356070 -
<http://www.kb.cert.org/vuls/id/356070>

* Apple Security Update 2005-005 -
<http://docs.info.apple.com/article.html?artnum=301528>
_________________________________________________________________

These vulnerabilities were discovered by several people and reported
in Apple Security Update 2005-005. Please see the Vulnerability Notes
for individual reporter acknowledgements.
_________________________________________________________________

Feedback can be directed to the authors: Jeffrey Gennari and Jason
Rafail.
_________________________________________________________________

Copyright 2005 Carnegie Mellon University. Terms of use

Revision History

May 16, 2005: Initial release
Last updated May 16, 2005
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