3Com IntelliJack Switch NJ220 loopback denial of service
| intellijack-nj220-loopback-dos (35172) |  Medium Risk |
Description:
The 3Com IntelliJack Switch NJ220 is vulnerable to a denial of service. By sending a specially-crafted loopback packet with a length field value of zero, a remote attacker could exploit this vulnerability to stop or restart sending packets to the Central Configuration Manager utility.
*CVSS:
| Base Score: | 2.8 |
| Access Vector: | Remote |
| Access Complexity: | High |
| Authentication: | Not Required |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Partial |
| Temporal Score: | 2.1 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Upgrade to the latest version of 3Com IntelliJack Switch NJ220 (2.0.23 or later), available from the 3Com IntelliJack Switch NJ220 Web site. See References.
References:
- 3Com IntelliJack Switch NJ220 Web site: 3Com® IntelliJack® Switch NJ220 Features & Benefits.
- 3Com nj220_02_00_23 readme: 3Com IntelliJack Switch NJ220 Release Notes.
- BID-24705: 3Com IntelliJack Switch NJ220 Loopback Remote Denial of Service Vulnerability
- CVE-2007-3533: The 3Com IntelliJack Switch NJ220 before 2.0.23 allows remote attackers to cause a denial of service (reboot and reporting outage) via a loopback packet with zero in the length field.
- SA25883: 3Com IntelliJack Switch NJ220 Loopback Packet Processing Denial of Service
- VUPEN/ADV-2007-2386: 3Com IntelliJack Switch NJ220 Loopback Packet Handling Denial of Service Issue
Platforms Affected:
- 3Com IntelliJack Switch NJ220 2.0.22
Reported:
Jun 29, 2007
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.