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Category:   Application (File Transfer/Sharing)  >   OpenAFS Vendors:   OpenAFS.org
OpenAFS FetchStatus Spoofing Lets Remote Users Gain Elevated Privileges
SecurityTracker Alert ID:  1017807
SecurityTracker URL:  http://securitytracker.com/id/1017807
CVE Reference:   CVE-2007-1507   (Links to External Site)
Updated:  Mar 22 2007
Original Entry Date:  Mar 22 2007
Impact:   Execution of arbitrary code via network, Root access via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.0 - 1.4.3, 1.5.0 - 1.5.16
Description:   A vulnerability was reported in OpenAFS. A remote user can gain elevated privileges on the target system.

A remote user with knowledge of client cache contents can remove the local cache and then spoof a FetchStatus reply for files in the cache to promote a file to a setuid mode for arbitrary user accounts, including root privileges.

The vendor credits Benjamin Bennett from the Pittsburgh Supercomputing Center with reporting this vulnerability.

Impact:   A remote user can gain root privileges on the target system.
Solution:   The vendor has issued fixed versions (1.4.4 and 1.5.17).

The OpenAFS advisory is available at:

http://www.openafs.org/pages/security/OPENAFS-SA-2007-001.txt

Vendor URL:  www.openafs.org/pages/security/OPENAFS-SA-2007-001.txt (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


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