National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-0441 Detail

Current Description

A vulnerability in the 802.11r Fast Transition feature set of Cisco IOS Access Points (APs) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a corruption of certain timer mechanisms triggered by specific roaming events. This corruption will eventually cause a timer crash. An attacker could exploit this vulnerability by sending malicious reassociation events multiple times to the same AP in a short period of time, causing a DoS condition on the affected AP.

Source:  MITRE
Description Last Modified:  10/17/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.4 HIGH
Vector: AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H (V3 legend)
Impact Score: 4.0
Exploitability Score: 2.8


Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.1 MEDIUM
Vector: (AV:A/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 6.5


Access Vector (AV): Local_Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/105680 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041918 Third Party Advisory VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-ap-ft-dos Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Uncontrolled Resource Consumption ('Resource Exhaustion') (CWE-400)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:cisco:access_points:8.0\(140.0\):*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:cisco:access_points:8.2\(141.0\):*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:cisco:access_points:8.2\(151.0\):*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:cisco:access_points:8.3\(102.0\):*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:cisco:access_points:8.3\(112.0\):*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:cisco:access_points:8.3\(114.74\):*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:cisco:access_points:15.3\(3\)jd:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:o:cisco:access_points:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
8.3.140.0
 cpe:2.3:o:cisco:access_points:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
8.4
Up to (excluding)
8.5.110.0


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-0441
NVD Published Date:
10/17/2018
NVD Last Modified:
01/24/2019