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Category:   Application (Security)  >   Cisco Security Agent Vendors:   Cisco
Cisco Security Agent TCP Processing Flaw Lets Remote Users Deny Service
SecurityTracker Alert ID:  1023607
SecurityTracker URL:  http://securitytracker.com/id/1023607
CVE Reference:   CVE-2010-0148   (Links to External Site)
Date:  Feb 17 2010
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.2
Description:   A vulnerability was reported in Cisco Security Agent. A remote user can cause denial of service conditions.

A remote user can send a series of specially crafted TCP packets to trigger a kernel panic and cause the target system to crash. Cisco has assigned Cisco Bug ID CSCtb89870 to this vulnerability.

Standalone agents are installed in the following products that may be affected:

* Cisco Unified Communications Manager (CallManager)
* Cisco Conference Connection (CCC)
* Emergency Responder
* IPCC Express
* IPCC Enterprise
* IPCC Hosted
* IP Interactive Voice Response (IP IVR)
* IP Queue Manager
* Intelligent Contact Management (ICM)
* Cisco Voice Portal (CVP)
* Cisco Unified Meeting Place
* Cisco Personal Assistant (PA)
* Cisco Unity
* Cisco Unity Connection
* Cisco Unity Bridge
* Cisco Secure ACS Solution Engine
* Cisco Internet Service Node (ISN)
* Cisco Security Manager (CSM)

Impact:   A remote user can cause the target system to crash.
Solution:   The vendor has issued a fix (5.2.0.285).

The vendor's advisory is available at:

http://www.cisco.com/warp/public/707/cisco-sa-20100217-csa.shtml

Vendor URL:  www.cisco.com/warp/public/707/cisco-sa-20100217-csa.shtml (Links to External Site)
Cause:   State error
Underlying OS:   Linux (Any), Windows (Any)

Message History:   None.


 Source Message Contents

Date:  wed, 17 Feb 2010 11:00:00 -0500
Subject:  Cisco Security Advisory: Multiple Vulnerabilities in Cisco Security Agent

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Cisco Security Advisory: Multiple Vulnerabilities in Cisco Security
Agent

Advisory ID: cisco-sa-20100217-csa

Revision 1.0

For Public Release 2010 February 17 1600 UTC (GMT)

+---------------------------------------------------------------------

Summary
=======

The Management Center for Cisco Security Agents is affected by a
directory traversal vulnerability and a SQL injection vulnerability.
Successful exploitation of the directory traversal vulnerability may
allow an authenticated attacker to view and download arbitrary files
from the server hosting the Management Center. Successful
exploitation of the SQL injection vulnerability may allow an
authenticated attacker to execute SQL statements that can cause
instability of the product or changes in the configuration.

Additionally, the Cisco Security Agent is affected by a denial of
service (DoS) vulnerability. Successful exploitation of the Cisco
Security Agent agent DoS vulnerability may cause the affected system
to crash. Repeated exploitation could result in a sustained DoS
condition.

These vulnerabilities are independent of each other.

Cisco has released free software updates that address these
vulnerabilities.

This advisory is posted at:

http://www.cisco.com/warp/public/707/cisco-sa-20100217-csa.shtml

Affected Products
=================

Vulnerable Products
+------------------

Cisco Security Agent releases 5.1, 5.2 and 6.0 are affected by the
SQL injection vulnerability. Only Cisco Security Agent release 6.0 is
affected by the directory traversal vulnerability. Only Cisco
Security Agent release 5.2 is affected by the DoS vulnerability.

Note: Only the Management Center for Cisco Security Agents is
affected by the directory traversal and SQL injection
vulnerabilities. The agents installed on user end-points are not
affected.

Only Cisco Security Agent release 5.2 for Windows and Linux, either
managed or standalone, are affected by the DoS vulnerability.

Standalone agents are installed in the following products:

 * Cisco Unified Communications Manager (CallManager)
 * Cisco Conference Connection (CCC)
 * Emergency Responder
 * IPCC Express
 * IPCC Enterprise
 * IPCC Hosted
 * IP Interactive Voice Response (IP IVR)
 * IP Queue Manager
 * Intelligent Contact Management (ICM)
 * Cisco Voice Portal (CVP)
 * Cisco Unified Meeting Place
 * Cisco Personal Assistant (PA)
 * Cisco Unity
 * Cisco Unity Connection
 * Cisco Unity Bridge
 * Cisco Secure ACS Solution Engine
 * Cisco Internet Service Node (ISN)
 * Cisco Security Manager (CSM)

Note: The Sun Solaris version of the Cisco Security Agent is not
affected by these vulnerabilities.

Products Confirmed Not Vulnerable
+--------------------------------

The Sun Solaris version of Cisco Security Agent is not affected by
these vulnerabilities.

No other Cisco products are currently known to be affected by these
vulnerabilities.

Details
=======

The Cisco Security Agent is a security software agent that provides
threat protection for server and desktop computing systems. Cisco
Security Agents can be standalone agents or can be managed by the
Cisco Security Agent Management Center.

The Management Center for Cisco Security Agents is affected by a
directory traversal vulnerability and a SQL injection vulnerability.

Management Center for Cisco Security Agents Directory Traversal Vulnerability
+----------------------------------------------------------------------------

The Management Center for Cisco Security Agents is affected by a
directory traversal vulnerability that may allow an authenticated
attacker to view and download arbitrary files from the server that is
hosting the Management Center for Cisco Security Agents.

This vulnerability is documented in Cisco Bug ID CSCtd73275 and has
been assigned the Common Vulnerabilities and Exposures (CVE) identifier
CVE-2010-0146.

Management Center for Cisco Security Agents SQL Injection Vulnerability
+----------------------------------------------------------------------

The Management Center for Cisco Security Agents is also affected by a
SQL injection vulnerability that may allow an authenticated attacker
to execute SQL statements that can cause the Management Center for
Cisco Security Agents to become unstable or modify its configuration.
These configuration changes may result in modifications to the
security policies of the endpoints. Additionally, an attacker may
create, delete, or modify management user accounts that are found in
the Management Center for Cisco Security Agents.

This vulnerability is documented in Cisco Bug ID CSCtd73290 and has been
assigned the Common Vulnerabilities and Exposures (CVE) identifier
CVE-2010-0147.

Cisco Security Agent Denial of Service Vulnerability
+---------------------------------------------------

Cisco Security Agent is affected by a DoS vulnerability that could
allow an unauthenticated attacker to cause a system to crash by
sending a series of TCP packets.

Note: Only Cisco Security Agent release 5.2 is affected by the DoS
vulnerability. The Sun Solaris version of the Cisco Security Agent is
not affected by these vulnerabilities.

This vulnerability is documented in Cisco Bug ID CSCtb89870 and has
been assigned the Common Vulnerabilities and Exposures (CVE) identifier
CVE-2010-0148.

Vulnerability Scoring Details 
=============================

Cisco has provided scores for the vulnerabilities in this advisory
based on the Common Vulnerability Scoring System (CVSS). The CVSS
scoring in this Security Advisory is done in accordance with CVSS
version 2.0.

CVSS is a standards-based scoring method that conveys vulnerability
severity and helps determine urgency and priority of response.

Cisco has provided a base and temporal score. Customers can then
compute environmental scores to assist in determining the impact of
the vulnerability in individual networks.

Cisco has provided an FAQ to answer additional questions regarding
CVSS at:

http://www.cisco.com/web/about/security/intelligence/cvss-qandas.html

Cisco has also provided a CVSS calculator to help compute the
environmental impact for individual networks at:

http://intellishield.cisco.com/security/alertmanager/cvss

CSCtd73275 - Directory Traversal in the Management Center for Cisco Security Agents

CVSS Base Score - 6.8

Access Vector           - Network
Access Complexity       - Low
Authentication          - Single
Confidentiality Impact  - Complete
Integrity Impact        - None
Availability Impact     - None

CVSS Temporal Score - 5.9

Exploitability          - High
Remediation Level       - Official-Fix
Report Confidence       - Confirmed

CSCtd73290 - Management Center for Cisco Security Agents: SQL Injection
 
CVSS Base Score - 9

Access Vector           - Network
Access Complexity       - Low
Authentication          - Single
Confidentiality Impact  - Complete
Integrity Impact        - Complete
Availability Impact     - Complete

CVSS Temporal Score - 7.4

Exploitability          - Functional
Remediation Level       - Official-Fix
Report Confidence       - Confirmed

CSCtb89870 - Kernel Panic When Receiving Certain TCP Packets

CVSS Base Score - 7.8

Access Vector           - Network
Access Complexity       - Low
Authentication          - None
Confidentiality Impact  - None
Integrity Impact        - None
Availability Impact     - Complete

CVSS Temporal Score - 6.4

Exploitability          - Functional
Remediation Level       - Official-Fix
Report Confidence       - Confirmed

Impact
======

Successful exploitation of the directory traversal vulnerability may
allow an authenticated attacker to view and download arbitrary files
from the server that is hosting the Management Center for Cisco
Security Agents.

Successful exploitation of the SQL injection vulnerability may allow
an authenticated attacker to execute SQL statements that can cause
the Management Center for Cisco Security Agents to become unstable or
modify its configuration.

Successful exploitation of the Cisco Security Agent DoS vulnerability
may cause the affected system to crash. Repeated exploitation could
result in a sustained DoS condition.

Software Versions and Fixes
===========================

When considering software upgrades, also consult
http://www.cisco.com/go/psirt and any subsequent advisories to
determine exposure and a complete upgrade solution.

In all cases, customers should exercise caution to be certain the
devices to be upgraded contain sufficient memory and that current
hardware and software configurations will continue to be supported
properly by the new release. If the information is not clear, contact
the Cisco Technical Assistance Center (TAC) or your contracted
maintenance provider for assistance.

+-----------------------------------------------------+
|               | Cisco    | First      |             |
| Vulnerability | Security | Fixed      | Recommended |
|               | Agent    | Version    | Release     |
|               | Release  |            |             |
|---------------+----------+------------+-------------|
|               | 5.1      | Not        | Not         |
|               |          | vulnerable | vulnerable  |
|Directory      |----------+------------+-------------|
| Traversal     | 5.2      | Not        | Not         |
| Vulnerability |          | vulnerable | vulnerable  |
|               |----------+------------+-------------|
|               | 6.0      | 6.0.1.132  | 6.0.1.132   |
|---------------+----------+------------+-------------|
|               | 5.1      | 5.1.0.117  | 5.1.0.117   |
|SQL Injection  |----------+------------+-------------|
| Vulnerability | 5.2      | 5.2.0.296  | 5.2.0.296   |
|               |----------+------------+-------------|
|               | 6.0      | 6.0.1.132  | 6.0.1.132   |
|---------------+----------+------------+-------------|
|               | 5.1      | Not        | 5.1.0.117   |
|               |          | vulnerable |             |
|Denial of      |----------+------------+-------------|
| Service       | 5.2      | 5.2.0.285  | 5.2.0.296   |
|Vulnerability  |----------+------------+-------------|
|               | 6.0      | Not        | 6.0.1.132   |
|               |          | vulnerable |             |
+-----------------------------------------------------+

Cisco CSA software can be downloaded from the following link:

http://tools.cisco.com/support/downloads/go/Redirect.x?mdfid=278065206

Workarounds
===========

There are no workarounds available to mitigate these vulnerabilities.

Additional mitigations that can be deployed on Cisco devices within
the network are available in the Cisco Applied Intelligence companion
document for this Advisory:

http://www.cisco.com/warp/public/707/cisco-amb-20100217-csa.shtml

Obtaining Fixed Software
========================

Cisco has released free software updates that address these
vulnerabilities. Prior to deploying software, customers should
consult their maintenance provider or check the software for feature
set compatibility and known issues specific to their environment.

Customers may only install and expect support for the feature sets
they have purchased. By installing, downloading, accessing or
otherwise using such software upgrades, customers agree to be bound
by the terms of Cisco's software license terms found at:

http://www.cisco.com/en/US/docs/general/warranty/English/EU1KEN_.html

or as otherwise set forth at Cisco.com Downloads at:

http://www.cisco.com/public/sw-center/sw-usingswc.shtml

Do not contact psirt@cisco.com or security-alert@cisco.com for
software upgrades.

Customers with Service Contracts
+-------------------------------

Customers with contracts should obtain upgraded software through
their regular update channels. For most customers, this means that
upgrades should be obtained through the Software Center on Cisco's
worldwide website at http://www.cisco.com.

Customers using Third Party Support Organizations
+------------------------------------------------

Customers whose Cisco products are provided or maintained through
prior or existing agreements with third-party support organizations,
such as Cisco Partners, authorized resellers, or service providers
should contact that support organization for guidance and assistance
with the appropriate course of action in regards to this advisory.

The effectiveness of any workaround or fix is dependent on specific
customer situations, such as product mix, network topology, traffic
behavior, and organizational mission. Due to the variety of affected
products and releases, customers should consult with their service
provider or support organization to ensure any applied workaround or
fix is the most appropriate for use in the intended network before it
is deployed.

Customers without Service Contracts
+----------------------------------

Customers who purchase direct from Cisco but do not hold a Cisco
service contract, and customers who purchase through third-party
vendors but are unsuccessful in obtaining fixed software through
their point of sale should acquire upgrades by contacting the Cisco
Technical Assistance Center (TAC). TAC contacts are as follows.

 * +1 800 553 2447 (toll free from within North America)
 * +1 408 526 7209 (toll call from anywhere in the world)
 * e-mail: tac@cisco.com

Customers should have their product serial number available and be
prepared to give the URL of this notice as evidence of entitlement to
a free upgrade. Free upgrades for non-contract customers must be
requested through the TAC.

Refer to:

http://www.cisco.com/en/US/support/tsd_cisco_worldwide_contacts.html

for additional TAC contact information, including localized telephone
numbers, and instructions and e-mail addresses for use in various
languages.

Exploitation and Public Announcements
=====================================

The Cisco PSIRT is not aware of any public announcements or malicious
use of the vulnerabilities described in this advisory.

The directory traversal and SQL injection vulnerabilities were
discovered and reported to Cisco by Gabriele Giuseppini from Cigital.
Cisco PSIRT appreciates the opportunity to work with researchers on
security vulnerabilities and welcomes the opportunity to review and
assist in product reports. The DoS vulnerability was found during
internal testing.

Status of this Notice: FINAL
============================

THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY
KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE
INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS
AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS
DOCUMENT AT ANY TIME.

A stand-alone copy or Paraphrase of the text of this document that
omits the distribution URL in the following section is an
uncontrolled copy, and may lack important information or contain
factual errors.

Distribution
============

This advisory is posted on Cisco's worldwide website at:

http://www.cisco.com/warp/public/707/cisco-sa-20100217-csa.shtml

In addition to worldwide web posting, a text version of this notice
is clear-signed with the Cisco PSIRT PGP key and is posted to the
following e-mail and Usenet news recipients.

 * cust-security-announce@cisco.com
 * first-bulletins@lists.first.org
 * bugtraq@securityfocus.com
 * vulnwatch@vulnwatch.org
 * cisco@spot.colorado.edu
 * cisco-nsp@puck.nether.net
 * full-disclosure@lists.grok.org.uk
 * comp.dcom.sys.cisco@newsgate.cisco.com

Future updates of this advisory, if any, will be placed on Cisco's
worldwide website, but may or may not be actively announced on
mailing lists or newsgroups. Users concerned about this problem are
encouraged to check the above URL for any updates.

Revision History
================

+----------------------------------------+
| Revision |                  | Initial  |
| 1.0      | 2010-February-17 | public   |
|          |                  | release. |
+----------------------------------------+

Cisco Security Procedures
=========================

Complete information on reporting security vulnerabilities in Cisco
products, obtaining assistance with security incidents, and
registering to receive security information from Cisco, is available
on Cisco's worldwide website at:

http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html

This includes instructions for press inquiries regarding Cisco security
notices. All Cisco security advisories are available at:

http://www.cisco.com/go/psirt
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