Detections
Analytics

Cisco IOS Software DHCP Denial of Service Vulnerability (cisco-sa-20120926-dhcp)

high Nessus Plugin ID 62372

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Synopsis

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

Description

Cisco IOS Software contains a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. An attacker could exploit this vulnerability by sending a single DHCP packet to or through an affected device, causing the device to reload. Cisco has released free software updates that address this vulnerability. A workaround that mitigates this vulnerability is available.

Solution

Apply the relevant patch referenced in Cisco Security Advisory cisco-sa-20120926-dhcp.

See Also

http://www.nessus.org/u?b82ce841

Plugin Details

Severity: High

ID: 62372

File Name: cisco-sa-20120926-dhcp.nasl

Version: 1.14

Type: combined

Family: CISCO

Published: 9/28/2012

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

Required KB Items: Host/Cisco/IOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 9/25/2012

Vulnerability Publication Date: 9/26/2012

Reference Information

CVE: CVE-2012-4621

BID: 55699

CISCO-SA: cisco-sa-20120926-dhcp

CISCO-BUG-ID: CSCty96049