Cisco IOS Software DHCP Remote Code Execution Vulnerability

Critical Nessus Plugin ID 103565

New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it's different from CVSS.

VPR Score: 5.9

Synopsis

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

Description

According to its self-reported version, the IOS is affected by one or more vulnerabilities. Please see the included Cisco BIDs and the Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID(s) CSCsm45390 and CSCuw77959.

See Also

http://www.nessus.org/u?5aee7830

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCsm45390

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuw77959

Plugin Details

Severity: Critical

ID: 103565

File Name: cisco-sa-20170927-dhcp-ios.nasl

Version: 1.17

Type: local

Family: CISCO

Published: 2017/10/02

Updated: 2020/07/24

Dependencies: 47864

Risk Information

Risk Factor: Critical

VPR Score: 5.9

CVSS Score Source: CVE-2017-12240

CVSS v2.0

Base Score: 10

Temporal Score: 7.4

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cpe:/o:cisco:ios

Required KB Items: Host/Cisco/IOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 2017/09/27

Vulnerability Publication Date: 2017/09/27

Reference Information

CVE: CVE-2017-12240

BID: 101034