Cisco IOS XE Software Multiple IPv6 Metadata Flow Vulnerabilities (cisco-sa-20140924-metadata)

high Nessus Plugin ID 78032

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 two vulnerabilities in the IPv6 metadata flow feature due to improper handling of RSVP packets. A remote attacker can exploit this issue by sending specially crafted RSVP flows to cause the device to reload.

Solution

Apply the relevant patch referenced in Cisco Security Advisory cisco-sa-20140924-metadata.

See Also

http://www.nessus.org/u?102835df

https://tools.cisco.com/security/center/viewAlert.x?alertId=35622

https://tools.cisco.com/security/center/viewAlert.x?alertId=35623

https://tools.cisco.com/bugsearch/bug/CSCue22753

https://tools.cisco.com/bugsearch/bug/CSCug75942

Plugin Details

Severity: High

ID: 78032

File Name: cisco-sa-20140924-metadata-iosxe.nasl

Version: 1.11

Type: local

Family: CISCO

Published: 10/2/2014

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_xe

Required KB Items: Host/Cisco/IOS-XE/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 9/24/2014

Vulnerability Publication Date: 9/24/2014

Reference Information

CVE: CVE-2014-3355, CVE-2014-3356

BID: 70130, 70135