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Category:   Application (Firewall)  >   Shorewall Vendors:
Shorewall Temporary File Symlink Flaw Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1010915
SecurityTracker URL:
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Aug 10 2004
Impact:   Modification of system information, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 1.4.10f, 2.0.3a
Description:   A vulnerability was reported in Shorewall in the processing of temporary files. A local user may be able to gain elevated privileges.

The vendor reported that Shorewall uses temporary files and directories in an unsafe manner. A local user can cause arbitrary files on the system to be overwritten.

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

Impact:   A local user can overwrite arbitrary files to gain elevated privileges.
Solution:   The vendor has released a fix.

For 2.0 users, the problem is corrected in version 2.0.3a:

For 1.4 users, the correct version is:

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.
Aug 13 2004 (Mandrake Issues Fix) Shorewall Temporary File Symlink Flaw Lets Local Users Gain Elevated Privileges
Mandrake has released a fix.

 Source Message Contents

[Original Message Not Available for Viewing]

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