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Cisco IOS IPv6 Routing Header Information Disclosure and Denial of Service
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Secunia Advisory:
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SA26359
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Release Date:
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2007-08-09
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Last Update:
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2007-08-15
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Popularity:
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9,938 views
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Critical:
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Moderately critical
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Impact:
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Exposure of sensitive information
DoS
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Where:
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From remote
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Solution Status:
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Partial Fix
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| OS: | Cisco IOS 12.x
Cisco IOS R12.x
Cisco IOS XR 3.x
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Secunia CVSS-2 Score:
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Description:
A vulnerability has been reported in Cisco IOS and IOS XR, which can be exploited by malicious people to potentially disclose sensitive information or to cause a DoS (Denial of Service).
The vulnerability is caused due to an error when processing IPv6 packets with a Type 0 routing header. This can lead to disclosure of 16 bytes of packet buffer memory in the destination IPv6 address in a IPv6 packet header, and can also be exploited to crash an IOS device or the IPv6 subsystem on devices running Cisco IOS XR by sending a specially crafted IPv6 packet.
Successful exploitation requires that the device is configured to use IPv6.
The following products are reportedly not affected:
* Cisco PIX and ASA Appliances
* Cisco Firewall Services Module (FWSM)
* Cisco MDS
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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