Citrix Provisioning Services StreamProcess.exe 0x40020010 Packet Handling RCE

This script is Copyright (C) 2011-2017 Tenable Network Security, Inc.


Synopsis :

The remote Windows host has an application running that is affected by
a remote code execution vulnerability.

Description :

The version of the StreamProcess.exe component included with the
Citrix Provisioning Services installation running on the remote
Windows host fails to validate user-supplied input in a packet type of
0x40020010 before copying it into a fixed length buffer on the stack.
An unauthenticated, remote attacker can exploit this, via a specially
crafted 0x40020010 packet sent to UDP port 6095, to execute arbitrary
code on the remote host with SYSTEM privileges.

See also :

http://www.zerodayinitiative.com/advisories/ZDI-11-023
http://seclists.org/fulldisclosure/2011/Jan/382
http://support.citrix.com/article/CTX127149

Solution :

Apply the relevant patch referenced in the vendor's advisory.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 8.3
(CVSS2#E:F/RL:OF/RC:C)
Public Exploit Available : true

Family: Windows

Nessus Plugin ID: 51664 ()

Bugtraq ID: 45914

CVE ID:

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