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Category:   Application (Generic)  >   Netscape Portable Runtime API Vendors:   Mozilla.org
(Sun Issues Fix) Netscape Portable Runtime API Environment Variable Lets Local Users Create Arbitrary Files
SecurityTracker Alert ID:  1017051
SecurityTracker URL:  http://securitytracker.com/id/1017051
CVE Reference:   CVE-2006-4842   (Links to External Site)
Date:  Oct 12 2006
Impact:   Modification of system information, Modification of user information, Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 4.6.1, 4.6.2; possibly others
Description:   iDEFENSE reported a vulnerability in the Netscape Portable Runtime (NSPR) API. A local user can gain elevated privileges on the target system.

On UNIX- and Linux-based systems, the software does not properly validate user-supplied environment variables. A local user can supply a specially crafted value to cause the system to create log files. A local user can create or overwrite arbitrary files on the system with root privileges.

Impact:   A local user can gain elevated privileges on the target system.
Solution:   Sun has issued the following fixes.

SPARC Platform

* Solaris 10 with patch 119213-10 or later

x86 Platform

* Solaris 10 with patch 119214-10 or later

The following patches for 3rd party code are also available:

SPARC Platform

* Solaris 8 with patch 119209-10 or later
* Solaris 9 with patch 119211-10 or later

x86 Platform

* Solaris 9 with patch 119212-10 or later

Linux Platform

* Patch 121656-10 or later

HP-UX Platform

* Patch 124379-01 or later

The Sun advisory is available at:

http://sunsolve.sun.com/search/document.do?assetkey=1-26-102658-1

Vendor URL:  www.mozilla.org/projects/nspr/ (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (HP/UX), UNIX (Solaris - SunOS)
Underlying OS Comments:  Solaris 10

Message History:   This archive entry is a follow-up to the message listed below.
Oct 12 2006 Netscape Portable Runtime API Environment Variable Lets Local Users Create Arbitrary Files



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