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Secunia Security Advisory 27938

Secunia Security Advisory 27938
Posted Dec 7, 2007
Authored by Secunia | Site secunia.com

Secunia Security Advisory - mu-b has reported a vulnerability in Apple Mac OS X, which can be exploited by malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service
systems | apple, osx
SHA-256 | bd28203f394cfb675a0f91b82be1b811b353b97ec2499508d88faeaae323df3b

Secunia Security Advisory 27938

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2003: 2,700 advisories published
2004: 3,100 advisories published
2005: 4,600 advisories published
2006: 5,300 advisories published

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TITLE:
Mac OS X vpnd Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA27938

VERIFY ADVISORY:
http://secunia.com/advisories/27938/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

OPERATING SYSTEM:
Apple Macintosh OS X
http://secunia.com/product/96/

DESCRIPTION:
mu-b has reported a vulnerability in Apple Mac OS X, which can be
exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error within vpnd when handling
connections and can be exploited to stop the VPN daemon by sending a
specially crafted packet to the service.

The vulnerability is reported in Apple Mac OS X 10.5.0 (Leopard).
Other versions may also be affected.

SOLUTION:
Restrict network access to the VPN daemon to trusted clients.

PROVIDED AND/OR DISCOVERED BY:
mu-b

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/4690

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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