Nortel VPN Router Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1014068
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SecurityTracker URL: http://securitytracker.com/id?1014068
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CVE Reference: CAN-2005-1802
(Links to External Site)
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Updated: Aug 18 2005
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Original Entry Date: May 27 2005
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Impact: Denial of service via network
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Fix Available: Yes
Vendor Confirmed: Yes
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Advisory: Nortel Security Advisory
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Version(s): prior to 5.05.200; Models 1010, 1050, 1100, 600, 1600, 1700, 1740, 2600, 2700, 4500, 4600, and 5000
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Description: A vulnerability was reported in the Nortel VPN Router. A remote user can cause denial of service conditions.
A remote user can send a single IKE packet with a specially crafted ISAKMP header to the target device to cause the device to crash.
In some cases, the router will reboot. In other cases, a manual restart is required to return the system to normal operations.
The
vendor credits Roy Hills, Technical Director of NTA-Monitor, with reporting this vulnerability.
The original advisory is available
at:
http://www.nta-monitor.com/news/vpn-flaws/nortel/vpn-router-dos/
The vendor was notified on March 3, 2005.
[Editor's
note: The VPN Router was formerly know as the Contivity router.]
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Impact: A remote user can cause the device to crash. A manual restart may be required to return the system to normal operations.
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Solution: The vendor has issued a fixed version (5.05.202). This fix replaces the previously issued 5.05.200 fix, which contained a flaw.
The
vendor has also issued the following additional fixes:
Current Version, Patched Version
4.06.225, 4.06.226
4.75.184, 4.75.185
4.76.165,
4.76.166
4.85.206, 4.85.208
4.90.315, 4.90.316
5.00.302, 5.00.303
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Vendor URL: www.nortel.com/ (Links to External Site)
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Cause: Not specified
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Message History:
None.
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Source Message Contents
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Date: Fri, 27 May 2005 16:35:17 -0400
Subject: [none]
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> [ BULLETIN ] DoS Vulnerability in VPN Router
> Bulletin Type: BULLETIN
> References: None
> Priority: Major
> Status: Active
> Product Family LOB: VPN Router
> Products: VPN Router 600
> Public: Public
> Security Advisories - 2005005953 - html - May 27 2005 - 56 KB - Status
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