National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-0412 Detail

Current Description

A vulnerability in the implementation of Extensible Authentication Protocol over LAN (EAPOL) functionality in Cisco Small Business 100 Series Wireless Access Points and Cisco Small Business 300 Series Wireless Access Points could allow an unauthenticated, adjacent attacker to force the downgrade of the encryption algorithm that is used between an authenticator (access point) and a supplicant (Wi-Fi client). The vulnerability is due to the improper processing of certain EAPOL messages that are received during the Wi-Fi handshake process. An attacker could exploit this vulnerability by establishing a man-in-the-middle position between a supplicant and an authenticator and manipulating an EAPOL message exchange to force usage of a WPA-TKIP cipher instead of the more secure AES-CCMP cipher. A successful exploit could allow the attacker to conduct subsequent cryptographic attacks, which could lead to the disclosure of confidential information. Cisco Bug IDs: CSCvj29229.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.3 MEDIUM
Vector: AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.6


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

CVSS v2.0 Severity and Metrics:

Base Score: 2.9 LOW
Vector: (AV:A/AC:M/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 5.5


Access Vector (AV): Local_Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180815-sb-wap-encrypt Vendor Advisory

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:cisco:wap121_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.0.6.6
Running on/with
 cpe:2.3:h:cisco:wap121:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:o:cisco:wap125_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.0.6.6
Running on/with
 cpe:2.3:h:cisco:wap125:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:o:cisco:wap131_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.0.6.6
Running on/with
 cpe:2.3:h:cisco:wap131:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 4 ( hide )
 cpe:2.3:o:cisco:wap150_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.0.6.6
Running on/with
 cpe:2.3:h:cisco:wap150:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 5 ( hide )
 cpe:2.3:o:cisco:wap321_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.0.6.6
Running on/with
 cpe:2.3:h:cisco:wap321:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 6 ( hide )
 cpe:2.3:o:cisco:wap351_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.0.6.6
Running on/with
 cpe:2.3:h:cisco:wap351:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 7 ( hide )
 cpe:2.3:o:cisco:wap361_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.0.6.6
Running on/with
 cpe:2.3:h:cisco:wap361:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 8 ( hide )
 cpe:2.3:o:cisco:wap371_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.0.6.6
Running on/with
 cpe:2.3:h:cisco:wap371:-:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-0412
NVD Published Date:
08/15/2018
NVD Last Modified:
10/16/2018