Apple Airport Extreme IPv6 connections security bypass
| airportextreme-ipv6-security-bypass (33526) |  Medium Risk |
Description:
Apple Airport Extreme could allow a remote attacker to bypass security restrictions. A design error in the default configuration of the AirPort Extreme Base Station with 802.11n allows incoming IPv6 connections. A remote attacker could exploit this vulnerability to bypass security restrictions and expose system information on hosts connected to the Base Station with 802.11n.
*CVSS:
| Base Score: | 4.7 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | None |
| Temporal Score: | 3.5 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Bypass Security
Remedy:
Upgrade to the latest version of firmware (7.1 or later), available from the Firmware Update 7.1 for AirPort Extreme Base Station with 802.11n. See References.
References:
- Apple - AirPort Extreme Web site: AirPort Extreme.
- Firmware Update 7.1 for AirPort Extreme Base Station with 802.11n: About the security content of Firmware Update 7.1 for AirPort Extreme Base Station with 802.11n.
- CVE-2007-1338: The default configuration of the AirPort utility in Apple AirPort Extreme creates an IPv6 tunnel but does not enable the Block incoming IPv6 connections setting, which might allow remote attackers to bypass intended access restrictions by establishing IPv6 sessions that would have been rejected over IPv4.
- SA24830: Apple AirPort Extreme Base Station Two Weaknesses
- SECTRACK ID: 1017889: AirPort Extreme Base Station with 802.11n Discloses Filenames to Remote Users and Allows Incoming IPv6 Connections
- VUPEN/ADV-2007-1308: Apple AirPort Extreme Base Station Security Bypass and Information Disclosure Issues
Platforms Affected:
- Apple AirPort Extreme 5.5
- Apple AirPort Extreme 5.7
- Apple AirPort Extreme 6.1
- Apple AirPort Extreme 6.3
- Apple AirPort Extreme 7.0
- Apple AirPort Extreme Base Station
Reported:
Apr 09, 2007
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* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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.