SecurityTracker.com
    Home    |    View Topics    |    Search    |    Contact Us    |   

SecurityTracker
Archives


 


Category:   Application (Security)  >   OpenSSH Vendors:   OpenSSH.org
OpenSSH Unsafe Default Configuration May Let Local Users Execute Arbitrary Commands
SecurityTracker Alert ID:  1019733
SecurityTracker URL:  http://securitytracker.com/id/1019733
CVE Reference:   CVE-2008-1657   (Links to External Site)
Updated:  Apr 10 2008
Original Entry Date:  Mar 31 2008
Impact:   Execution of arbitrary code via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 4.8 and prior versions
Description:   A vulnerability was reported in OpenSSH. A local user may be able to bypass security restrictions to execute arbitrary commands.

In the default configuration, a local user with write privileges to the '~/.ssh/rc' file can modify the file and cause sshd to execute commands in the file even if an sshd_config(5) ForceCommand directive is in effect.

This behavior is documented but considered by the vendor to be an unsafe default.

Impact:   A local user may be able to execute arbitrary commands.
Solution:   The vendor has issued a fixed version (4.9), available at:

http://openssh.org/

Vendor URL:  www.openssh.org/ (Links to External Site)
Cause:   Configuration error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Mar 31 2008 (OpenBSD Issues Fix) OpenSSH Unsafe Default Configuration May Let Local Users Execute Arbitrary Commands
OpenBSD has issued a fix for OpenBSD 4.1, 4.2, and 4.3.
May 22 2008 (IBM Issues Fix) OpenSSH Unsafe Default Configuration May Let Local Users Execute Arbitrary Commands
IBM has issued a fix for AIX 5.2, 5.3, and 6.1.



 Source Message Contents



[Original Message Not Available for Viewing]


Go to the Top of This SecurityTracker Archive Page





Home   |    View Topics   |    Search   |    Contact Us

This web site uses cookies for web analytics. Learn More

Copyright 2019, SecurityGlobal.net LLC