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Category:   Application (Security)  >   libnsl Vendors:   Sun
Sun Solaris libnsl __inet_taddr2uaddr() Error Lets Remote Users Deny Service
SecurityTracker Alert ID:  1017492
SecurityTracker URL:  http://securitytracker.com/id/1017492
CVE Reference:   CVE-2007-0165, CVE-2008-4619   (Links to External Site)
Updated:  Nov 5 2008
Original Entry Date:  Jan 10 2007
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in libnsl on Sun Solaris. A remote user can cause denial of service conditions.

A remote user can send specially crafted RPC requests to cause the target rpcbind(1M) service to crash.

The vulnerability resides in the '__inet_taddr2uaddr()' function.

Sun credits Anil Kumar of the BlueLane Research Team with reporting this vulnerability.

[Editor's note: Sun is now reporting that the CVE number for this vulnerability is CVE-2008-4619.]

Impact:   A remote user can cause the target rpcbind(1M) service to crash.
Solution:   Sun has issued the following fixes.

SPARC Platform

* Solaris 8 with patch 108993-65 or later
* Solaris 9 with patch 113319-27 or later

x86 Platform

* Solaris 8 with patch 108994-65 or later
* Solaris 9 with patch 113719-21 or later

The Sun advisory is available at:

http://sunsolve.sun.com/search/document.do?assetkey=1-26-102713-1

Vendor URL:  sunsolve.sun.com/search/document.do?assetkey=1-26-102713-1 (Links to External Site)
Cause:   State error
Underlying OS:   UNIX (Solaris - SunOS)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Sep 22 2008 (HP Issues Fix for HP-UX) Sun Solaris libnsl __inet_taddr2uaddr() Error Lets Remote Users Deny Service
HP has issued a fix for HP-UX 11.11 and 11.23.



 Source Message Contents

Date:  Wed, 10 Jan 2007 01:31:37 -0500
Subject:  A Security Vulnerability in Solaris libnsl(3LIB) may lead to a Denial of Service (DoS) to the rpcbind(1M) Service


http://sunsolve.sun.com/search/document.do?assetkey=1-26-102713-1

CVE-2007-0165
 
 


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