Cisco IOS Bugs in Voice Services Let Remote Users Deny Service or Potentially Execute Arbitrary Code
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SecurityTracker Alert ID: 1018533 |
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SecurityTracker URL: http://securitytracker.com/id/1018533
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CVE Reference:
CVE-2007-4291, CVE-2007-4292, CVE-2007-4293, CVE-2007-4295
(Links to External Site)
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Updated: Apr 21 2008
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Original Entry Date: Aug 8 2007
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Impact:
Denial of service via network, Execution of arbitrary code via network, User access via network
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Fix Available: Yes Vendor Confirmed: Yes
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Description:
Several vulnerabilities were reported in Cisco IOS when running voice services. A remote user can cause denial of service conditions. A remote user may be able to execute arbitrary code on the target device.
A remote user can send a specially crafted SIP packet to cause the target device to crash or potentially execute arbitrary code.
A remote user can send a specially crafted MGCP packet to cause the target device to crash or become unresponsive (preventing new telephone calls). A reboot is required to return the system to normal operations.
A remote user can send a specially crafted H.323 packet to cause the target device to crash.
A remote user can send a specially crafted RTP packet to cause the target device to crash.
A remote user can send a specially crafted facsimile packet to cause the target device to crash.
Cisco discovered some of the vulnerabilities during internal testing. Other vulnerabilities were discovered in customer networks.
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Impact:
A remote user can cause the target device to crash or become unresponsive.
A remote user may be able to execute arbitrary code on the target device.
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Solution:
The vendor has issued fixed versions. A patch matrix is available in the Cisco advisory.
The Cisco advisory is available at:
http://www.cisco.com/warp/public/707/cisco-sa-20070808-IOS-voice.shtml
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Vendor URL: www.cisco.com/warp/public/707/cisco-sa-20070808-IOS-voice.shtml (Links to External Site)
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Cause:
Boundary error, Exception handling error, Input validation error
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Underlying OS:
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Message History:
None.
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Source Message Contents
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Date: Wed, 8 Aug 2007 12:58:08 -0400
Subject: Cisco Security Advisory: Voice Vulnerabilities in Cisco IOS and Cisco Unified Communications Manager
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http://www.cisco.com/warp/public/707/cisco-sa-20070808-IOS-voice.shtml
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