CVE-2018-0249 Details

CVE-2018-0249

Published: 2018-05-02
Last Modified: 2020-10-22
CVE Author: NIST National Vulnerability Database
CVE Assigner: psirt@cisco.com
Summary

A vulnerability when handling incoming 802.11 Association Requests for Cisco Aironet 1800 Series Access Point (APs) on Qualcomm Atheros (QCA) based hardware platforms could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected system. A successful exploit could prevent new clients from joining the AP. The vulnerability is due to incorrect handling of malformed or invalid 802.11 Association Requests. An attacker could exploit this vulnerability by sending a malformed stream of 802.11 Association Requests to the local interface of the targeted device. A successful exploit could allow the attacker to cause a DoS situation on an affected system, causing new client 802.11 Association Requests to fail. This vulnerability affects the following Cisco products: Aironet 1560 Series Access Points, Aironet 1810 Series OfficeExtend Access Points, Aironet 1810w Series Access Points, Aironet 1815 Series Access Points, Aironet 1830 Series Access Points, Aironet 1850 Series Access Points, Aironet 2800 Series Access Points, Aironet 3800 Series Access Points. Cisco Bug IDs: CSCvg02116.

Analysis
Common Vulnerability Score System v2.0
Severity Low
Base Score 3.3/10
Exploit Score 6.5/10
Access Vector Adjacent_network
Access Complexity Low
Authentication None
Impact Score 2.9/10
Confidentiality Impact None
Availability Impact Partial
Integrity Impact None
Vector String AV:A/AC:L/Au:N/C:N/I:N/A:P
Common Vulnerability Score System v3.1
Severity Medium
Base Score 4.3/10
Exploit Score 2.8/10
Access Vector Adjacent_network
Access Complexity Low
Privileges Required None
Impact Score 1.4/10
Confidentiality Impact None
Availability Impact Low
Integrity Impact None
Scope Unchanged
User Interaction None
Vector String CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Products Reported
CPE Vulnerable Start Excluding
cpe:2.3:o:cisco:aironet_access_point_software:8.2\(161.0\):* Yes - -
References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180502-
http://www.securitytracker.com/id/1040816

CVE ID
CVE-2018-0249
Published
2018-05-02
Modified
2020-10-22
CVSSv2.0
Low
CVSSv3.1
Medium
PCI Compliance
Pass
US-CERT Alert
No
CWE
CWE Pending

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