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HP-UX 10.20 SharedX Receiver Service DoS
From: security () SIAMRELAY COM (Security Research Team)
Date: Fri, 16 Oct 1998 14:04:16 -0400


      S.A.F.E.R. Security Bulletin 981014.DOS.1.2

TITLE: Vulnerability in SharedX Receiver Service (recserv)
DATE: October 14, 1998
NATURE: Denial-of-Service
PLATFORMS: HP-UX 10.20 (possibly others)


By sending specific amount of characters to SharedX Receiver Service,
remote (and local) users can perform DoS attack against HP-UX 10.20 machine.

Recserv process reaches 100% (or less, depending on CPU usage by other
processes) 3-5 minutes after attack, and has to be killed and restarted.


Hewlett-Packard has been notified on 03-September-1998, but patch is not
available yet.


   S.A.F.E.R. - Security Alert For Entreprise Resources
          Copyright (c) 1998  Siam Relay Ltd.
 http://siamrelay.com/safer  ---  security () siamrelay com

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