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Category:   Device (Encryption/VPN)  >   Citrix NetScaler Vendors:   Citrix
Citrix NetScaler Gateway Heap Overflow Lets Remote Authenticated Users Execute Arbitrary Code
SecurityTracker Alert ID:  1038283
SecurityTracker URL:  http://securitytracker.com/id/1038283
CVE Reference:   CVE-2017-7219   (Links to External Site)
Date:  Apr 19 2017
Impact:   Execution of arbitrary code via network, Root access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 10.1, 10.5, 11.0, 11.1
Description:   A vulnerability was reported in Citrix NetScaler. A remote authenticated user can execute arbitrary code on the target system.

A remote authenticated user can send specially crafted data to trigger a heap overflow and execute arbitrary code on the target system. The code will run with root privileges.

Alain Mowat of SCRT (https://www.scrt.ch) reported this vulnerability.

Impact:   A remote authenticated user can execute arbitrary code with root privileges on the target system.
Solution:   The vendor has issued a fix (10.1 Build 135.8/135.12, 10.5 Build 65.11, 11.0 Build 70.12, 11.1 Build 52.13).

The vendor advisory is available at:

https://support.citrix.com/article/CTX222657

Vendor URL:  support.citrix.com/article/CTX222657 (Links to External Site)
Cause:   Boundary error

Message History:   None.


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