Cisco IOS XE Layer 4 Redirect DoS

high Nessus Plugin ID 82590

Synopsis

The remote device is affected by a denial of service vulnerability.

Description

The Cisco IOS XE software running on the remote device is affected by a denial of service vulnerability due to improper processing of IP packets by the Layer 4 Redirect (L4R) feature. An unauthenticated, remote attacker, using crafted IPv4 or IPv6 packets, can exploit this to cause a device reload.

Solution

Apply the relevant patch referenced in the Cisco Security Advisory.

See Also

http://www.nessus.org/u?d4cbb5bb

https://tools.cisco.com/bugsearch/bug/CSCuq59131

Plugin Details

Severity: High

ID: 82590

File Name: cisco-sn-CSCuq59131-iosxe.nasl

Version: 1.12

Type: local

Family: CISCO

Published: 4/6/2015

Updated: 11/22/2019

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, Host/Cisco/IOS-XE/Model

Exploit Ease: No known exploits are available

Patch Publication Date: 3/26/2015

Vulnerability Publication Date: 3/25/2015

Reference Information

CVE: CVE-2015-0645

BID: 73337

CISCO-BUG-ID: CSCuq59131