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Category:   Application (Generic)  >   Tar Vendors:   GNU [multiple authors]
Tar Buffer Overflow in Processing PAX Extended Headers May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1015705
SecurityTracker URL:  http://securitytracker.com/id/1015705
CVE Reference:   CVE-2006-0300   (Links to External Site)
Date:  Mar 1 2006
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 1.15.90
Description:   A vulnerability was reported in Tar. A remote user may be able to cause arbitrary code to be executed on the target system.

A remote user can create an archive containing specially crafted PAX extended headers that, when processed by the target user, will trigger a buffer overflow.

[Editor's note: The report did not indicate whether code execution is possible.]

Impact:   A remote user may be able to cause arbitrary code to be executed on the target system. However, the report did not confirm code execution.
Solution:   The vendor has issued a fixed version (1.15.90), available at:

http://savannah.gnu.org/projects/tar

Vendor URL:  www.gnu.org/software/tar (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Mar 1 2006 (Red Hat Issues Fix) Tar Buffer Overflow in Processing PAX Extended Headers May Let Remote Users Execute Arbitrary Code
Red Hat has released a fix for Red Hat Enterprise Linux 4.
Sep 9 2008 (Sun Issues Fix for Solaris) Tar Buffer Overflow in Processing PAX Extended Headers May Let Remote Users Execute Arbitrary Code
Sun has issued a fix for Solaris 9 and 10 and OpenSolaris.



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