Cisco IOS XE Software DHCP Denial of Service Vulnerability (cisco-sa-20130925-dhcp)

high Nessus Plugin ID 70315

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

A vulnerability in the DHCP implementation of Cisco IOS XE Software allows an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability occurs during the parsing of crafted DHCP packets. An attacker can exploit this vulnerability by sending crafted DHCP packets to an affected device that has the DHCP server or DHCP relay feature enabled. An exploit allows the attacker to cause a reload of an affected device. Cisco has released free software updates that address this vulnerability. There are no workarounds to mitigate this vulnerability.

Solution

Apply the relevant patch referenced in Cisco security advisory cisco-sa-20130925-dhcp.

Plugin Details

Severity: High

ID: 70315

File Name: cisco-sa-20130925-dhcp-iosxe.nasl

Version: 1.15

Type: local

Family: CISCO

Published: 10/7/2013

Updated: 11/15/2018

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Vulnerability Information

CPE: cpe:/o:cisco:ios_xe

Required KB Items: Host/Cisco/IOS-XE/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 9/24/2013

Vulnerability Publication Date: 9/25/2013

Reference Information

CVE: CVE-2013-5475

BID: 62644

CISCO-SA: cisco-sa-20130925-dhcp

CISCO-BUG-ID: CSCug31561

Detections

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