Cisco IOS XR IPv6 Extension Header DoS (cisco-sa-20150220-ipv6)

high Nessus Plugin ID 82498
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Synopsis

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

Description

The remote Cisco IOS XR device is affected by a denial of service vulnerability due to improper processing of malformed IPv6 packets carrying extension headers. A remote attacker, using a specially crafted packet, can cause a reload of the line card, resulting in a denial of service condition.

Solution

Apply the relevant patch referenced in Cisco Security Advisory cisco-sa-20150220-ipv6.

See Also

http://www.nessus.org/u?4a050f7b

https://tools.cisco.com/security/center/viewAlert.x?alertId=37510

Plugin Details

Severity: High

ID: 82498

File Name: cisco-sa-20150220-ipv6-iosxr.nasl

Version: 1.14

Type: combined

Family: CISCO

Published: 4/1/2015

Updated: 4/8/2021

Dependencies: cisco_ios_xr_version.nasl

Configuration: Enable paranoid mode

Risk Information

CVSS Score Source: CVE-2015-0618

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

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

Vulnerability Information

CPE: cpe:/o:cisco:ios_xr

Required KB Items: Host/Cisco/IOS-XR/Version, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 2/25/2015

Vulnerability Publication Date: 2/20/2015

Reference Information

CVE: CVE-2015-0618

BID: 72713

CISCO-BUG-ID: CSCuq95241

CISCO-SA: cisco-sa-20150220-ipv6