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Cisco IOS Software Border Gateway Protocol Message Processing Denial of Service Vulnerability

Information

Severity

Severity

Medium

Family

Family

CISCO

CVSSv2 Base

CVSSv2 Base

4.9

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:H/Au:S/C:N/I:N/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

6 years ago

Modified

Modified

3 years ago

Summary

A vulnerability in Border Gateway Protocol (BGP) message processing functions of Cisco IOS Software could allow an authenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper processing of crafted BGP attributes. An attacker could exploit this vulnerability by sending crafted BGP messages to an affected device for processing when certain conditions are met. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition. Possible workarounds for this issue include setting a maxpath-limit value for BGP MIBs or suppressing use of BGP MIBs.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

See the referenced vendor advisory for a solution.

Common Vulnerabilities and Exposures (CVE)