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Old 03-27-2008
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S-243: Cisco IOS Virtual Private Dial-up Network Denial of Service Vulnerability

Two vulnerabilities exist in the virtual private dial-up network (VPDN) solution when Point-to-Point Tunneling Protocol (PPTP) is used in certain Cisco IOS releases prior to 12.3. The risk is LOW. Successful exploitation of the vulnerabiltiy may result in a memory leak of processor memory or consumption of all available IDBs on the device. With continued exploitation, the device will deplete its processor memory or reach an IDB limit. Both impacts would result in a denial of service condition for the device.


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