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Category:   Application (Generic)  >   file Vendors:   Darwin, Ian F.
(OpenBSD Issues Fix) file Heap Overflow in file_printf() May Let Local Users Execute Arbitrary Code
SecurityTracker Alert ID:  1018358
SecurityTracker URL:  http://securitytracker.com/id/1018358
CVE Reference:   CVE-2007-1536   (Links to External Site)
Date:  Jul 10 2007
Impact:   Execution of arbitrary code via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 4.20
Description:   A vulnerability was reported in file. A local user may be able to obtain elevated privileges on the target system.

A local user can trigger a heap overflow in the file_printf() function to cause arbitrary code to be executed on the target system with the privileges of the user running the file application.

The vendor credits Jean-Sebastien Guay-Leroux with discovering this vulnerability.

Impact:   A local user may be able to obtain elevated privileges on the target system.
Solution:   OpenBSD has issued the following patches:

ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.0/common/015_file.patch
ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.1/common/009_file.patch

Cause:   Boundary error
Underlying OS:  UNIX (OpenBSD)
Underlying OS Comments:  4.0, 4.1

Message History:   This archive entry is a follow-up to the message listed below.
Mar 20 2007 file Heap Overflow in file_printf() May Let Local Users Execute Arbitrary Code



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