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Category:   Application (Generic)  >   Bomgar Remote Support Jump Client Vendors:   Bomgar
Bomgar Remote Support Agent Unsafe Directory Permissions Let Local Users Obtain System Privileges
SecurityTracker Alert ID:  1039679
SecurityTracker URL:  http://securitytracker.com/id/1039679
CVE Reference:   CVE-2017-5996   (Links to External Site)
Date:  Oct 27 2017
Impact:   Execution of arbitrary code via local system, Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Bomgar Remote Support. A local user can gain system privileges on the target system.

The agent software creates a directory in 'C:\ProgramData\' with world writable permissions. A local user can create a specially crafted DLL in the Bomgar directory in 'C:\ProgramData\' on the target system. When a remote support user connects to the target system, the DLL will be executed with LocalSystem privileges.

Robert Wessen and Mitch Kucia of Virtual Security Research reported this vulnerability.

Impact:   A local user can obtain LocalSystem privileges on the target system.
Solution:   The vendor has issued a fix (15.2.3, 16.1.5, 16.2.4) [in March 2017].

The vendor advisories are available at:

https://www.bomgar.com/support/changelog/remote-support-15-2-3
https://www.bomgar.com/support/changelog/remote-support-16-1-5
https://www.bomgar.com/support/changelog/remote-support-1624
https://ssc.bomgar.com/ssc/SolutionFAQ.aspx?id=1696

Vendor URL:  www.vsecurity.com/download/advisories/20171026-1.txt (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (Any)
Underlying OS Comments:  Tested on Windows 7

Message History:   None.


 Source Message Contents

Subject:  https://www.vsecurity.com/download/advisories/20171026-1.txt



 
 


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