[NEWS] Novell Netware Client Unchecked Buffers

From: support@securiteam.com
Date: 05/08/02 

From: support@securiteam.com
To: list@securiteam.com
Date: Wed,  8 May 2002 18:13:09 +0200 (CEST)

The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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  Novell Netware Client Unchecked Buffers
------------------------------------------------------------------------

SUMMARY

Multiple Buffer Overflow Conditions Exist in the Novell Netware Client for
Windows. An attacker could crash any software relying on name resolution,
like ping, traceroute, rexec and rsh.

DETAILS

Vulnerable systems:
 * Novell Netware Client 4.83

If one would run the command ping with a long hostname an access violation
would occur. Depending on the length of the hostname the program will
crash in different locations. This might be interesting in a WTS or Citrix
environment. We have looked very briefly at the problem and therefore
cannot comment on the impact of this issue.

Solution:
Install patch from Novell as soon as it becomes available.

Vendor status:
Novell was contacted 20020412.

ADDITIONAL INFORMATION

The information has been provided by
<mailto:patrik.karlsson@se.pwcglobal.com> Patrik Karlsson &
<mailto:jonas.landin@ixsecurity.com> Jonas Ländin.

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