# Exploit Title: Samsung SyncThruWeb SMB Hash Disclosure
# Date: 8/28/15
# Exploit Author: Shad Malloy
# Contact: http://twitter.com/SecureNM
# Website: https://securenetworkmanagement.com
# Vendor Homepage: http://www.samsung.com
# Software Link:
http://www.samsung.com/hk_en/consumer/solutions/type/SyncThruWebService.html
# Version: Known Vulnerable versions Samsung SCX-5835_5935 Series Printer
Main Firmware Version : 2.01.00.26
Samsung SCX-5635 Series Printer Main Firmware Version : 2.01.01.18
12-08-2009
# Tested on:
Samsung SCX-5835_5935 Series Printer
Main Firmware Version : 2.01.00.26
Network Firmware Version : V4.01.05(SCX-5835/5935)
12-22-2008
Engine Firmware Version : 1.20.73
UI Firmware Version : V1.03.01.55 07-13-2009
Finisher Firmware Version : Not Installed
PCL5E Firmware Version : PCL5e 5.87 11-07-2008
PCL6 Firmware Version : PCL6 5.86 10-28-2008
PostScript Firmware Version : PS3 V1.93.06 12-19-2008
SPL Firmware Version : SPL 5.32 01-03-2008
TIFF Firmware Version : TIFF 0.91.00 10-07-2008
Samsung SCX-5635 Series
Main Firmware Version : 2.01.01.18 12-08-2009
Network Firmware Version : V4.01.16(SCX-5635)
12-04-2009
Engine Firmware Version : 1.31.32
PCL5E Firmware Version : PCL5e 5.92 02-12-2009
PCL6 Firmware Version : PCL6 5.93 03-21-2009
PostScript Firmware Version : PS3 1.94.06 12-22-2008
TIFF Firmware Version : TIFF 0.91.00 10-07-2008
Proof of Concept
1. Using the default username and password (admin/admin), it is
possible to obtain all credentials used for SMB file transfer. To obtain the
file access http://<printer url>/smb_serverList.csv.
2. The UserName and UserPassword fields are unencrypted and
visible using any text editor.
Relevant Patches
http://downloadcenter.samsung.com/content/FM/201508/20150825111208555/SCX563
5_V2.01.01.28_0401113_1.00.zip
http://downloadcenter.samsung.com/content/FM/201508/20150825112233867/SCX583
5_5935_V2.01.00.56_0401113_1.01.zip
Shad Malloy
Secure Network Management, LLC
