S-098: HP-UX Running rpc.yppasswdd Vulnerability


 
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Special Forums Cybersecurity Security Advisories (RSS) S-098: HP-UX Running rpc.yppasswdd Vulnerability
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Old 01-03-2008
S-098: HP-UX Running rpc.yppasswdd Vulnerability

A potential security vulnerability has been identified with HP-UX running rpc.ppasswdd. The risk is MEDIUM. Could be exploited remotely to create a DoS.


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rpc.svcgssd(8)						      System Manager's Manual						    rpc.svcgssd(8)

NAME
rpc.svcgssd - server-side rpcsec_gss daemon SYNOPSIS
rpc.svcgssd [-v] [-r] [-i] [-f] [-p pipefsdir] DESCRIPTION
The rpcsec_gss protocol gives a means of using the gss-api generic security api to provide security for protocols using rpc (in particular, nfs). Before exchanging any rpc requests using rpcsec_gss, the rpc client must first establish a security context with the rpc server. The linux kernel's implementation of rpcsec_gss depends on the userspace daemon rpc.svcgssd to handle context establishment on the rpc server. The daemon uses files in the proc filesystem to communicate with the kernel. OPTIONS
-f Runs rpc.svcgssd in the foreground and sends output to stderr (as opposed to syslogd) -v Increases the verbosity of the output (can be specified multiple times). -r If the rpcsec_gss library supports setting debug level, increases the verbosity of the output (can be specified multiple times). -i If the nfsidmap library supports setting debug level, increases the verbosity of the output (can be specified multiple times). SEE ALSO
rpc.gssd(8), AUTHORS
Dug Song <dugsong@umich.edu> Andy Adamson <andros@umich.edu> Marius Aamodt Eriksen <marius@umich.edu> J. Bruce Fields <bfields@umich.edu> 12 Jan 2007 rpc.svcgssd(8)