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Category:   Application (Generic)  > Vendors:   Kanosue, Toshiaki Unsafe Temporary Files May Let Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1012756
SecurityTracker URL:
CVE Reference:   CVE-2004-1181   (Links to External Site)
Updated:  Jan 4 2005
Original Entry Date:  Jan 3 2005
Impact:   Modification of system information, Modification of user information, Root access via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 21.8; possibly other versions
Description:   A temporary file vulnerability was reported in ''. A local user may be able to gain elevated privileges.

Debian reported that the script uses the '/tmp' directory as the download directory for temporary files. A local user can create a symbolic link (symlink) from a critical file on the system to a temporary file to be used by the script. Then, when the script is run, the symlinked file may be overwritten with the privileges of the user running the script.

The,, and scripts are affected.

Javier Fernandez-Sanguino Pena is credited with discovering this flaw.

Impact:   A local user may be able to gain the privileges of a target user running the affected script.
Solution:   The most recent versions (32.9 and 33.8) include the option for the user to specify a safe, restricted temporary directory. Those versions are available at:

Vendor URL: (Links to External Site)
Cause:   Access control error, State error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jan 3 2005 (Debian Issues Fix) Unsafe Temporary Files May Let Local Users Gain Elevated Privileges
Debian has released a fix.

 Source Message Contents

[Original Message Not Available for Viewing]

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