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Remote DoS attack in Networks Associates PGP Certificate Server
Version 2.5 Vulnerability

USSR Advisory Code:   USSR-2000044

Release Date:
June 13, 2000

Systems Affected:
PGP Certificate Server Version 2.5.0 *Solaris/Windows*
PGP Certificate Server Version 2.5.1 *Solaris/Windows*


THE PROBLEM

The Ussr Labs team has recently discovered a null memory problem in
the PGP Certificate Server, 

The issue we found is if anyone connect to the PGP Certificate Server
Command Port (used for manage Server operations) default (Port 4000)
and the server is unable to resolve your IP address to a host name it
will cause the process containg the services to crash.

SPECIAL NOTE: That we take no responsibility for this code it is for
educational purposes only.

Example:
Denied all the ways to resolve you ip to hostname and connect to port
4000 in the server.

the process containg the services crash and you will see something
like this in the server http://www.ussrback.com/pgpbug.jpg

Vendor Status:  
Informed!, Contacted!.

Fix:
Network Associates has released a patch for this vulnerability.
Users should contact Network Associates Technical Support at
1-800-722-3709
for information.


Vendor   Url: http://www.nai.com
Program  Url:
http://www.pgp.com/asp_set/products/tns/pgpcert_intro.asp

Related Links:

Underground Security Systems Research
http://www.ussrback.com

Greetings:
Eeye, Attrition, w00w00, beavuh, Rhino9, SecurityFocus.com, ADM, HNN,
Technotronic and Wiretrip.

Copyright (c) 1999-2000 Underground Security Systems Research.
Permission is hereby granted for the redistribution of this alert
electronically. It is not to be edited in any way without express
consent of Ussr. If you wish to reprint the whole or any part of this
alert in any other medium excluding electronic medium, please e-mail
labs@ussrback.com for permission.

Disclaimer:
The information within this paper may change without notice. Use of
this information constitutes acceptance for use in an AS IS
condition. There are NO warranties with regard to this information.
In no event shall the author be liable for any damages whatsoever
arising out of or in connection with the use or spread of this
information. Any use of this information is at the user's own risk.

Feedback:
Please send suggestions, updates, and comments to:

Underground Security Systems Research
mail:labs@ussrback.com
http://www.ussrback.com

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