Vulnerability Note VU#622950
Toshiba Global Commerce Solutions’ 4690 Point of Sale operating system contains a password hashing algorithm that can be reversed
Original Release date: 21 Apr 2014 | Last revised: 21 Apr 2014

Overview
Toshiba Global Commerce Solutions’ 4690 Point of Sale operating system contains a password hashing algorithm that can be reversed. (CWE-328)

Description
Toshiba Global Commerce Solutions’ 4690 Point of Sale operating system contains a password hashing algorithm that can be reversed. (CWE-328) The ADXCRYPT algorithm that may be used for password hashing on the 4690 operating system is susceptible to known-plaintext attacks and hash collisions.
Additional details about this vulnerability may be found in Security Bulletin R1005054.

Impact
An attacker may be able to reverse or find a hashing collision for passwords hashed with ADXCRYPT and stored in the ADXCSOUF.DAT file.

Solution
Use "Enhanced Security"
4690 OS version V5R1 or later has the option to enable "Enhanced Security" that will use the SHA1 hashing algorithm. Instructions for enabling 4690 OS Enhanced Security can be found in the V6R4 4690 OS Planning, Installation, and Configuration Guide beginning on page 140.

Use a LDAP server for authentication
4690 OS version V6R3 or later has the option to use an LDAP server for authentication. This method will use whatever hashing algorithm the LDAP server uses. Instructions for enabling LDAP, or Directory Services, can be found in the V6R4 4690 OS Planning, Installation, and Configuration Guide beginning on page 23.

Vendor Information (Learn More)

VendorStatusDate NotifiedDate UpdatedToshiba Commerce SolutionsAffected23 Jan 201421 Apr 2014If you are a vendor and your product is affected, let
us know.

CVSS Metrics (Learn More)

Group
Score
Vector

Base
3.0
AV:L/AC:M/Au:S/C:P/I:P/A:N

Temporal
2.3
E:POC/RL:OF/RC:C

Environmental
1.8
CDP:ND/TD:M/CR:ND/IR:ND/AR:ND

References

http://www-01.ibm.com/support/docview.wss?uid=pos1R1005054
http://cwe.mitre.org/data/definitions/328.html
http://www.toshibacommerce.com
ftp://ftp.software.ibm.com/software/retail/pubs/sw/opsys/4690/ver6r4/hah2_4690_v6r4_picg_mst.pdf

Credit

Thanks to Brian Kamusinga and David Odell for reporting this vulnerability.
This document was written by Jared Allar.

Other Information

CVE IDs:
CVE-2014-0361

Date Public:
01 Apr 2014

Date First Published:
21 Apr 2014

Date Last Updated:
21 Apr 2014

Document Revision:
14

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