Cisco IOS DHCP Remember Functionality DoS (CSCuh46822)

medium Nessus Plugin ID 78064

Synopsis

The remote device is running a vulnerable IOS version.

Description

According to its self-reported version, the remote IOS device is affected by a denial of service vulnerability when the remember functionality of DHCP is enabled.

A flaw exists where the remember functionality does not correctly handle the releasing of leases. An attacker can exploit this issue by obtaining a lease and then releasing it, which may cause the device to reload.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCuh46822.

See Also

https://tools.cisco.com/security/center/viewAlert.x?alertId=31156

http://www.nessus.org/u?21f35e85

Plugin Details

Severity: Medium

ID: 78064

File Name: cisco-sn-CSCuh46822-ios.nasl

Version: 1.7

Type: local

Family: CISCO

Published: 10/6/2014

Updated: 11/15/2018

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5.7

Temporal Score: 4.2

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

Vulnerability Information

CPE: cpe:/o:cisco:ios

Required KB Items: Host/Cisco/IOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 10/9/2013

Vulnerability Publication Date: 10/9/2013

Reference Information

CVE: CVE-2013-5499

BID: 62866

CISCO-BUG-ID: CSCuh46822