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Cisco Intrusion Prevention System Jumbo Frames Denial of Service
Secunia Advisory: SA30767
Release Date: 2008-06-19
Popularity: 4,933 views

Critical:
Moderately critical
Impact: Security Bypass
DoS
Where: From remote
Solution Status: Unpatched

OS:Cisco Intrusion Prevention System (IPS) 5.x

Software:Cisco Intrusion Prevention System (IPS) 6.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
A vulnerability has been reported in Cisco Intrusion Prevention System, which can be exploited by malicious people to cause a DoS (Denial of Service) or bypass certain security restrictions.

The vulnerability is caused due to an unspecified error in the processing of Jumbo Ethernet frames received on a Gigabit network interface and can be exploited to trigger a kernel panic.

Successful exploitation requires that the Gigabit network interface is configured for inline mode.

NOTE: On platforms that continue to forward network traffic after a kernel panic takes place, the vulnerability will result in the bypassing of configured access controls and detection rules.

The vulnerability is reported in versions prior to 5.1(8)E2 and 6.0(5)E2.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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