15831 : Multiple Vendor TCP/IP PMTU Unspecified DoS
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Info

Last Modified
8 months ago

Percent Complete
90%

Disclosure
Apr 26, 2005

Discovery
Unknown

Dates

Exploit
Unknown

Solution
Unknown

Description

 HP-UX contains a flaw that may allow a remote denial of service. The issue is caused by an unspecified error in the PMTU discovery processing when receiving a specially crafted packet on any open connection, and will result in loss of availability for the platform. No further details have been provided.

Classification

 Location: Remote/Network Access Required
Attack Type: Denial of Service
Impact: Loss of Availability
Exploit: Exploit Unknown
Disclosure: OSVDB Verified

Solution

 Currently, there are no known upgrades or patches to correct this issue. It is possible to correct the flaw by implementing the following workaround: Set the "ip_pmtu_strategy" parameter to 0 or 3.

Products
Hewlett-Packard Development Company, L.P.
Watch-list
HP-UX
Watch-list
 B.11.00
B.11.11
B.11.23
B.11.22
B.11.04

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