Detections
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Cisco IOS XE DHCPv6 Server DoS

medium Nessus Plugin ID 83734

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Synopsis

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

Description

According to its self-reported version, the version of Cisco IOS XE running on the remote host is affected by a denial of service vulnerability in the DHCPv6 server implementation due to improper handling of DHCPv6 packets for SOLICIT messages for Identity Association for Non-Temporary Addresses (IA-NA) traffic. An unauthenticated, adjacent attacker can exploit this issue to cause the device to crash, resulting in a denial of service condition.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCur29956.

See Also

https://tools.cisco.com/security/center/viewAlert.x?alertId=38543

Plugin Details

Severity: Medium

ID: 83734

File Name: cisco-sn-CSCur29956-iosxe.nasl

Version: 1.7

Type: local

Family: CISCO

Published: 5/20/2015

Updated: 11/22/2019

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

Vector: CVSS2#AV:A/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: 4/28/2015

Vulnerability Publication Date: 4/28/2015

Reference Information

CVE: CVE-2015-0708

BID: 74382

CISCO-BUG-ID: CSCur29956