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Cisco Security Advisory: Cisco Unified Communications Manager Express
Vulnerability
Advisory ID: cisco-sa-20090923-cme
Revision 1.0
For Public Release 2009 September 23
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Summary
======
Cisco IOS=AE devices that are configured for Cisco Unified
Communications Manager Express (CME) and the Extension Mobility
feature are vulnerable to a buffer overflow vulnerability. Successful
exploitation of this vulnerability may result in the execution of
arbitrary code or a Denial of Service (DoS) condition on an affected
device.
Cisco has released free software updates that address this
vulnerability.
This advisory is posted at:
http://www.cisco.com/warp/public/707/cisco-sa-20090923-cme.shtml
Note: The September 23, 2009, Cisco IOS Security Advisory bundled
publication includes eleven Security Advisories. Ten of the
advisories address vulnerabilities in Cisco IOS Software, and one
advisory addresses a vulnerability in Cisco Unified Communications
Manager. Each advisory lists the releases that correct the
vulnerability or vulnerabilities detailed in the advisory. The
following table lists releases that correct all Cisco IOS Software
vulnerabilities that have been published on September 23, 2009, or
earlier.
http://www.cisco.com/warp/public/707/cisco-sa-20090923-bundle.shtml
Individual publication links are in "Cisco Event Response: Semiannual
Cisco IOS Software Advisory Bundled Publication" at the following
link:
http://www.cisco.com/web/about/security/intelligence/Cisco_ERP_sep09.html
Affected Products
================
Cisco IOS devices, including Cisco Unified Communications 500 Series,
that are configured for Cisco Unified CME and the Extension Mobility
feature are affected.
Vulnerable Products
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A Cisco IOS device that is configured for Cisco Unified CME and
Extension Mobility contains the following output when the show
running-config command is issued:
ephone [Ethernet phone tag]
...
logout-profile [logout-profile tag]
To determine the Cisco IOS Software release that is running on a
Cisco product, administrators can log in to the device and issue the
"show version" command to display the system banner. The system banner
confirms that the device is running Cisco IOS Software by displaying
text similar to "Cisco Internetwork Operating System Software" or
"Cisco IOS Software." The image name is displayed in parentheses,
followed by "Version" and the Cisco IOS Software release name. Other
Cisco devices do not have the "show version" command or may provide
different output.
The following example identifies a Cisco product that is running
Cisco IOS Software Release 12.3(26) with an installed image name of
C2500-IS-L:
Router#show version
Cisco Internetwork Operating System Software
IOS (tm) 2500 Software (C2500-IS-L), Version 12.3(26), RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2008 by cisco Systems, Inc.
Compiled Mon 17-Mar-08 14:39 by dchih