National Vulnerability Database (NVD) National Vulnerability Database (CVE-2011-0949)

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Last updated: Tue May 21 11:44:16 EDT 2013

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Vulnerability Summary for CVE-2011-0949

Original release date:05/31/2011

Last revised:07/12/2011

Source: US-CERT/NIST

Overview

Cisco IOS XR 3.6.x, 3.8.x before 3.8.3, and 3.9.x before 3.9.1 does not properly remove sshd_lock files from /tmp/, which allows remote attackers to cause a denial of service (disk consumption) by making many SSHv1 connections, aka Bug ID CSCtd64417.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:7.8 (HIGH) (AV:N/AC:L/Au:N/C:N/I:N/A:C) (legend)

Impact Subscore: 6.9

Exploitability Subscore: 10.0

CVSS Version 2 Metrics:

Access Vector: Network exploitable

Access Complexity: Low

Authentication: Not required to exploit

Impact Type:Allows disruption of serviceUnknown

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External Source: CISCO

Name: 20110525 Cisco IOS XR Software SSHv1 Denial of Service Vulnerability

Type: Advisory

Hyperlink:http://www.cisco.com/en/US/products/products_security_advisory09186a0080b7f18f.shtml