Information Leakage Using IPv6 Routing Header in Cisco IOS and Cisco IOS XR - Cisco Systems

high Nessus Plugin ID 49006

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Synopsis

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

Description

Cisco IOS and Cisco IOS XR contain a vulnerability when processing specially crafted IPv6 packets with a Type 0 Routing Header present.
Exploitation of this vulnerability can lead to information leakage on affected IOS and IOS XR devices, and may also result in a crash of the affected IOS device. Successful exploitation on an affected device running Cisco IOS XR will not result in a crash of the device itself, but may result in a crash of the IPv6 subsystem.
Cisco has made free software available to address this vulnerability for affected customers. There are workarounds available to mitigate the effects of the vulnerability.

Solution

Apply the relevant patch referenced in Cisco Security Advisory cisco-sa-20070808-IOS-IPv6-leak.

See Also

http://www.nessus.org/u?8e301f29

http://www.nessus.org/u?40c21b51

Plugin Details

Severity: High

ID: 49006

File Name: cisco-sa-20070808-IOS-IPv6-leak.nasl

Version: 1.19

Type: local

Family: CISCO

Published: 9/1/2010

Updated: 11/15/2018

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: High

Base Score: 9

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

Vulnerability Information

CPE: cpe:/o:cisco:ios

Required KB Items: Host/Cisco/IOS/Version

Patch Publication Date: 8/8/2007

Vulnerability Publication Date: 8/8/2007

Reference Information

CVE: CVE-2007-4285