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Update Protection against Cisco IOS HTTP Server Code Injection Vulnerability

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Check Point Reference: CPAI-2006-028
Date Published:
Severity:
Last Updated:
Source:  Cisco Security Advisory ID: 68322
Protection Provided by: VPN-1
  • NGX R61
  • NGX R60
  • NG with Application Intelligence R55W
  • NG with Application Intelligence R55
  • NG with Application Intelligence R54
InterSpect
  • NGX
  • 2.0 and 1.x
Who is Vulnerable?
Cisco IOS HTTP Server version 11.0 through 12.4 (with the HTTP server enabled)
Vulnerability Description
The Cisco IOS Web browser interface (which enables the device to perform as an HTTP server) allows configuration and monitoring of a router or access server using any Web browser. A vulnerability exists in the IOS HTTP server in the CDP, a proprietary Cisco protocol used for exchanging information between CISCO devices. Only Cisco products that run Cisco IOS Software versions 11.0 through 12.4 with the HTTP server enabled are affected.
Vulnerability Details
The vulnerability specifically exists due to insufficient filtering of user-supplied data which is displayed in the Cisco HTTP status pages. One of the status pages included in the IOS 11 HTML package displays
information about current CDP protocol statistics. The Cisco Discovery Protocol (CDP) is a roprietary protocol that runs over Layer 2 (the data link layer) on the Content Services Switches (CSS) and other Cisco manufactured equipment, such as routers, switches, bridges, and access servers.

Protection Overview
The Update enables the HTTP Worm Catcher to detect and block the vulnerability based on pre-defined worm signatures.

To configure the defense, select your product from the list below and follow the related protection steps.

Additional Information
The update also includes the following protections:

  • Enhancement to the Microsoft Windows Media Player Vulnerability (CPAI-2006-016)
  • Trojan Spy Goldun.de Protection (CPAI-2006-025)
  • ezDatabase Remote File Inclusion Protection (CPAI-2006-026)
  • TFTPD32 Request Error Message Format String Protection (CPAI-2006-027) - InterSpect NGX only
  • Cisco IOS CDP Status Page Code Injection Protection (CPAI-2006-028)
  • SHOUTcast Filename Request Format String Protection (CPAI-2006-029)
  • Oracle Report File Overwrite/Oracle Report Directory Traversal Protection (CPAI-2006-030)
  • Google Talk via Gmail Web Interface Protection (CPSA-2006-02)
  • IBM Tivoli Access Manager Directory Traversal Protection (CPAI-2006-031)
  • Protection Against NFS Vulnerabilities (CPAI-2006-032)
  • Protection against PmWiki multiple vulnerabilities.

VPN-1 NGX R61

How Can I Protect My Network?
1. Update your SmartDefense: Click the SmartDefense Services tab, In the left pane from the drop-down list, click Download Updates and then click the Online Update button.
2. In the Web Intelligence tree, click Malicious Code > General HTTP Worm Catcher.
3. Enable the following pattern:

Cisco IOS CDP Status Page Code Injection

4. Install policy on all modules. 

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:

Attack Name: HTTP Worm Catcher
Attack Information: Cisco IOS CDP Status Page Code Injection

VPN-1 NGX R60 / VPN-1 NG with Application Intelligence R55W

How Can I Protect My Network?
1. Update your SmartDefense by clicking Online Update in the SmartDashboard General window.
2. In the Web Intelligence tree, click Malicious Code > General HTTP Worm Catcher.
3. Enable the following pattern:

Cisco IOS CDP Status Page Code Injection

4. Install policy on all modules.

How Do I Know if My Network is Under Attack?

SmartView Tracker will log the following entries:

Attack Name: HTTP Worm Catcher
Attack Information: Cisco IOS CDP Status Page Code Injection

VPN-1 NG with Application Intelligece R55/R54

How Can I Protect My Network?
1. Update your SmartDefense by clicking Update Now in the SmartDashboard General window.
2. In the SmartDefense tree, click Application Intelligence > Web and enable General HTTP Worm Catcher.
3. Enable the following pattern:

Cisco IOS CDP Status Page Code Injection

4. Install security policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:

Attack Name: HTTP Worm Catcher
Attack Information: Cisco IOS CDP Status Page Code Injection

InterSpect NGX

How Can I Protect My Network?
1. Update your SmartDefense: In the left pane from the drop-down list, select Profiles > SmartDefense Service and click the Online Update button.
2. In the left pane, select Profiles > Default Protection and select the Web Intelligence page of the profile.
3. In the Web Intelligence tree, click Malicious Code > General HTTP Worm Catcher.
4. Enable the following pattern:

Cisco IOS CDP Status Page Code Injection

5. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:

Attack Name: HTTP Worm Catcher
Attack Information: Cisco IOS CDP Status Page Code Injection

 

InterSpect 2.0

How Can I Protect My Network?
1. Update your SmartDefense by clicking Online Update in the SmartDashboard General window.
2. In the SmartDefense tree, click Malicious Code > General HTTP Worm Defender.
3. Enable the following pattern:

Cisco IOS CDP Status Page Code Injection

4. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:

Attack Name: HTTP Worm Catcher
Attack Information: Cisco IOS CDP Status Page Code Injection