8730.txt

来自「This is the snapshot of Snot Latest Rule」· 文本 代码 · 共 58 行

Rule

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Sid
8730

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Summary:
This event is generated when an attempt is made to cause a Denial of Service (DoS) using a packet with the Record Route option set.

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Impact:
Denial of Service (DoS)

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Detailed Information:
Some operating systems, versions of Cisco IOS included, do not properly process packets with the IP option for Record Route (RR) set. This may lead to a Denial of Service (DoS) in the operating system being used on the host.

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Affected Systems:
Cisco CBOS 2.3.8 and prior
Linux kernel 2.2.10 with ipchains and prior
Linux kernel 2.0.38 and prior
FreeBSD kernel 3.2 with ipfw

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Attack Scenarios:
An attacker need only send an icmp echo request with the RR option set.

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Ease of Attack:
Simple.

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False Positives:
None known.

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False Negatives:
None known.

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Corrective Action:
Apply the appropriate vendor supplied patches.

Upgrade to the latest non-affected version of the software.

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Contributors:
Sourcefire Vulnerability Research Team


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Additional References:


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