Linksys WAP4400N request denial of service

linksys-wap4400n-request-dos (45841) The risk level is classified as MediumMedium Risk

Description:

Linksys WAP4400N is vulnerable to a denial of service, caused by an error when processing association requests while the access point runs in WEP mode. By sending a specially-crafted association request, a remote attacker could exploit this vulnerability to cause the device to reboot.

*CVSS:

Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 3.2
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of WAP4400N (1.2.17 or later), available from the Linksys Web site. See References.

References:

  • BugTraq Mailing List, Mon Oct 13 2008 - 06:29:40 CDT: Marvell Driver Malformed Association Request Vulnerability.
  • Linksys Web site: WAP4400N - Wireless-N Access Point with Power Over Ethernet.
  • BID-31742: Linksys WAP4400N Marvell Wireless Chipset Driver Remote Denial of Service Vulnerability
  • CVE-2008-4441: The Marvell driver for the Linksys WAP4400N Wi-Fi access point with firmware 1.2.14 on the Marvell 88W8361P-BEM1 chipset, when WEP mode is enabled, does not properly parse malformed 802.11 frames, which allows remote attackers to cause a denial of service (reboot or hang-up) via a malformed association request containing the WEP flag, as demonstrated by a request that is too short, a different vulnerability than CVE-2008-1144 and CVE-2008-1197.
  • SA32259: Linksys WAP4400N Denial of Service and SNMPv3 Vulnerability
  • VUPEN/ADV-2008-2805: Linksys WAP4400N Denial of Service and SNMPv3 Issues

Platforms Affected:

  • Linksys WAP4400N 1.2.14
  • Marvell Semiconductor 88W8361P-BEM1 chipset

Reported:

Sep 27, 2008

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