Cisco Threat Defense Bulletin S668 September 18, 2012


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In This Issue
Important Notes
Supported Sensor Software Versions
Release Summary
New Vulnerability and Exploit Protections
Sensor Update Information
New Product Announcements
EoL/EoS Announcements
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Microsoft Bulletin Update
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Visit the Cisco Event Response for more information, analysis, and guidance on this month's Microsoft Security Bulletin Release.


Please click here to download the latest IPS signature update package (sensor only).

Please click here to download the latest Cisco Security Manager (CSM) signature update package.

Download the S668 sensor package (sensor only).

Important Notes

 
7.1(6)E4 Service Pack Release NEW
 
The 7.1(6)E4 service pack reverses the SMB protocol related inspection enhancements delivered as part of 7.1(5)E4 release and also addresses a Signature downgrade issue with SSM platforms.
 
Additionally, as part of this release new features have been added for HTTP Advanced decoding and Signature threat profiles (Signature templates).

This service pack contains the S648 signature level, but preserves any more recent signature levels installed on your sensor.

Cisco IPS 7.1(6)E4 is supported on the following platforms:
 - IPS 4240
 - IPS 4255
 - IPS 4260
 - IPS 4270-20
 - IPS 4345
 - IPS 4345-DC
 - IPS 4360
 - ASA 5500 AIP SSM-10
 - ASA 5500 AIP SSM-20
 - ASA 5500 AIP SSM-40
 - ASA 5512-X IPS SSP
 - ASA 5515-X IPS SSP
 - ASA 5525-X IPS SSP
 - ASA 5545-X IPS SSP
 - ASA 5555-X IPS SSP
 - ASA 5585-X IPS SSP-10
 - ASA 5585-X IPS SSP-20
 - ASA 5585-X IPS SSP-40
 - ASA 5585-X IPS SSP-60

 
For additional details please  see the following link
 
IOS IPS Important Notice - UPDATED

IOS IPS customers running version 12.4T, 15.0M, or 15.1M - a critical software defect has been identified which may cause your router to reload and be stuck in a boot loop if IOS IPS signature version S639 or later is installed on the device. Recovery of impacted devices is possible only via a serial console connection through the device's ROMMON mode. For customers who are using IOS IPS signatures S638 or earlier, there is no issue. Customers wishing to upgrade the IOS IPS signature version to S639 or later must first be running a fixed version of IOS on the device prior to upgrading the IPS signatures.  Fixed versions of IOS include: 15.2(4)M, 15.1(3)T4, 15.2(3)T1, 15.1(4)M5, 12.4(24)T8 and later. Please refer to defect CSCtz27137 for additional details and steps to recover impacted devices. If you need further assistance please contact Cisco TAC.
 
WARNING: CISCO.COM IP ADDRESS CHANGE IN AUTO UPDATE CONFIGURATION

The 7.0(8)E4 service pack changes the default value of Cisco server IP address from 198.133.219.25 to 72.163.4.161 in the Auto Update URL configuration. Firewall rules may need to be updated to allow sensor connectivity to this new IP Address if the Cisco.com Auto Updates have been configured on your sensor.
 
 
Supported Sensor Software Versions

Signature updates are currently tested on the following sensor software releases according to the terms
defined in the End-of-Sale Policy for Signature File Release on Intrusion Detection and Prevention (IDS/IPS) Sensors:

6.0(6) (Released: 29/MAR/2010)

6.2(4) (Released: 27/JUN/2011)
7.0(6) (Released: 13/SEP/2011) (upgrade soon!)
7.0(7) (Released: 31/JAN/2012) (upgrade soon!)
7.0(8) (Released: 29/MAY/2012) (new!)
7.1(3) (Released: 06/DEC/2011) (upgrade soon!)
7.1(4) (Released: 05/MAR/2012) (upgrade soon!)
7.1(5)
(Released: 16/JUL/2012) (upgrade soon!)
7.1(6)
(Released: 04/SEP/2012) (new!)

Please upgrade to one of these sensor software versions to ensure correct sensor operation and effective signature coverage.



Release S668 - September 18, 2012
Release Summary

Vulnerability CVE Severity Risk Rating Signature ID History Status
Microsoft Internet Exp... High 95 1466.0 New Enabled


New Vulnerability and Exploit Protections

Microsoft Internet Explorer img Tag Processing Arbitrary Code Execution Vulnerability
Vulnerability Disclosed: 9/17/2012, CVSS Base: 6.8, Temporal: 5.8
Microsoft Internet Explorer contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code on a targeted system. The vulnerability is due to an unspecified error in the way the affected software processes img arrays. An unauthenticated, remote attacker could exploit this vulnerability by convincing a user to view a malicious website. If successful, the attacker could exploit this vulnerability to execute arbitrary code on the system with the privileges of the user. Functional code that demonstrates an exploit of this vulnerability is publicly available. Microsoft has not confirmed the vulnerability and software updates are not available.
Severity Description Protected Since Signature ID Default Action
High Microsoft Internet Explorer execCommand Vulnerability 9/18/2012 1466.0 Block*


* Inline sensor with Event Action Override set to "deny-packet-inline" at Risk Rating 90 (Cisco default configuration)

Sensor Update Information

Signature Updates

Signature updates may be downloaded automatically by Cisco Security Manager (CSM), IPS Manager Express (IME) and Cisco Security Monitoring, Analysis, and Response System (CS-MARS). The following links are for manual downloads.

Sensor Appliance Updates
IPS 4200-series sensors, IPS 4300-series sensors, IDSM2 Catalyst module, AIM-IPS module, ASA-AIP IPS modules

IOS IPS Updates
IOS IPS in Mainline and T-Train Releases prior to 12.4(11)T (Includes NEW Basic and Advanced Set)
IOS IPS in 12.4(11)T or later T-Train

Cisco.com FTP Access Change

Cisco will no longer be distributing software that requires a contract or login credentials via ftp.cisco.com from October 2010. Most IPS users will not be affected unless you have manually configured this to download from ftp.cisco.com.

IPS software and signature updates will continue to be available from Cisco.com. These can be retrieved using the built-in authenticated download capabilities in the IDM, IME, MARS and CSM management and monitoring applications or manually from the Software Download area on Cisco.com. Please see the FAQ for more information on manually downloading updates from the Software Download area.

Please direct any questions or concerns regarding this change to ftp_download_feedback@cisco.com.



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