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TITLE:
Apple AirPort / Time Capsule Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA42665

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/42665/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=42665

RELEASE DATE:
2010-12-26

DISCUSS ADVISORY:
http://secunia.com/advisories/42665/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/42665/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=42665

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Multiple vulnerabilities have been reported in Apple Airport Extreme
and Time Capsule, which can be exploited by malicious users to bypass
certain security restrictions and by malicious people to cause a DoS
(Denial of Service).

1) An error when handling SNMP requests can be exploited to cause a
crash.

For more information:
SA32560

2) An error when processing IPv6 Router Advertisement (RA) and
Neighbor Discovery (ND) packets can be exploited to cause a device to
restart.

3) An error when handling the FTP PORT command can be exploited to
bypass IP-based restrictions and send traffic to an IP behind the
NAT.

Successful exploitation requires write access to a FTP server inside
the NAT.

4) An error when handling fragmented ISAKMP packets can be exploited
to cause a crash of the racoon daemon.

For more information see vulnerability #2:
SA31478

5) An error when handling DHCP packets can be exploited to cause a
device to stop responding to traffic by sending a specially crafted
DHCP reply packet.

Successful exploitation requires a device to be configured as a
bridge or in NAT mode with a default host enabled (by default no host
is configured).

SOLUTION:
Update to firmware version 7.5.2 (please see the vendor's advisory
for details).

Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

PROVIDED AND/OR DISCOVERED BY:
The vendor credits the following people:
2) Shoichi Sakane of KAME project, Kanai Akira of Internet Multifeed
Co., Shirahata Shin and Rodney Van Meter of Keio University, and
Tatuya Jinmei of Internet Systems Consortium, Inc.
3) Sabahattin Gucukoglu.

ORIGINAL ADVISORY:
Apple:
http://support.apple.com/kb/HT4298

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
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private users keeping their systems up to date against the latest
vulnerabilities.

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