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Cisco IOS IPv6 Packet Handling Vulnerability
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Secunia Advisory:
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SA16272
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Release Date:
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2005-07-29
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Last Update:
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2005-08-05
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Popularity:
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15,130 views
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Critical:
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Moderately critical
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Impact:
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DoS
System access
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Where:
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From local network
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Solution Status:
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Vendor Patch
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| OS: | Cisco IOS 12.x
Cisco IOS R12.x
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| CVE reference: | CVE-2005-2451
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Description:
A vulnerability has been reported in Ciso IOS, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially compromise a vulnerable network device.
The vulnerability is caused due to an unspecified error within the processing of IPv6 traffic and can be exploited via a specially crafted IPv6 packet received on a logical interface.
Successful exploitation requires that the packet is sent from a local network segment and that the device is configured for IPv6.
Solution:
The vendor has issued updated versions (see patch matrix in vendor advisory).
Provided and/or discovered by:
The vendor reports that the vulnerability was disclosed at the Black Hat security conference.
Changelog:
2005-08-01: Added link to US-CERT vulnerability note.
2005-08-05: Added CVE reference.
Original Advisory:
Cisco:
http://www.cisco.com/warp/public/707/cisco-sa-20050729-ipv6.shtml
Other References:
US-CERT VU#930892:
http://www.kb.cert.org/vuls/id/930892
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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