Password Safe And Repository Enterprise 7.4.4 Build 2247 Crypto Issues

Credit: Matthias Deeg
Risk: Medium
Local: Yes
Remote: No

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Advisory ID: SYSS-2015-037 Product(s): Password Safe and Repository Enterprise Manufacturer: MATESO GmbH Affected Version(s): 7.4.4 Build 2247 Tested Version(s): 7.4.4 Build 2247 Vulnerability Type: Insufficiently Protected Credentials (CWE-522) Use of a One-Way Hash without a Salt (CWE-759) Risk Level: Medium Solution Status: Fixed Manufacturer Notification: 2015-07-09 Solution Date: 2015-10-05 Public Disclosure: 2015-10-12 CVE Reference: Not yet assigned Author of Advisory: Matthias Deeg (SySS GmbH) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Overview: Password Safe and Repository Enterprise is a password management software for companies with many features. The manufacturer MATESO GmbH describes the product as follows (see [1]): "Manage your passwords in the company according to your security needs! Features such as password policies, multi-eyes principle, workflow and task system makes management productive and safe. The integrated rights management system with data transfer option and automatic synchronization with Active Directory ensures that your employees can only access data which they are entitled to." Passwords of Password Safe and Repository Enterprise users are stored as raw, unsalted MD5 hash values and thus are insufficiently protected from attackers with access to the password management software database. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Vulnerability Details: The SySS GmbH found out that user passwords are stored as raw, unsalted MD5 hash values in the table tdUsers of the databases of the password management software Password Safe and Repository Enterprise. The use of a cryptographic one-way hash function MD5 without using a salt for storing sensitive data like user passwords allows an attacker with access to this data to perform efficient password guessing attacks using pre-computed dictionaries, for instance rainbow tables. The vulnerability concerning the insecure storage of user password information as raw, unsalted MD5 hash values affects both the online and the offline mode of the password management software. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Proof of Concept (PoC): When using the change password functionality, the following SQL statement is used for storing the raw, unsalted MD5 hash value of the new login password in the database table tdUsers: UPDATE tdUsers SET LoginPassword = 'ef2eb17e3a46818e63bf209aa58da9aa', LastLogin = julianday('<DATE>'), LastPasswordChange = julianday('<DATE>'), ChangeDate = julianday('<DATE>'), LastPasswords = '9e96559b23ad93f0b8990539331441ca' WHERE ID = 2 In this example, the password "Passw0rd2015" was set, as the following output shows: $ echo -n "Passw0rd2015" | md5sum ef2eb17e3a46818e63bf209aa58da9aa - ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Solution: According to information by the MATESO GmbH, the described security issue has been fixed in the software version that was released on October 5, 2015. Please contact the manufacturer for further information or support. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Disclosure Timeline: 2015-07-09: Vulnerability reported to manufacturer 2015-07-09: Manufacturer acknowledges e-mail with SySS security advisory 2015-07-30: Scheduling of the publication date in agreement with the manufacturer 2015-10-02: Rescheduling of the publication date in agreement with the manufacturer 2015-10-12: Public release of security advisory on agreed publication date ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ References: [1] Product Web Site for Password Safe and Repository Enterprise [2] SySS Security Advisory SYSS-2015-037 [3] SySS Responsible Disclosure Policy ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Credits: This security vulnerability was found by Matthias Deeg of the SySS GmbH. E-Mail: matthias.deeg (at) Public Key: Key fingerprint = D1F0 A035 F06C E675 CDB9 0514 D9A4 BF6A 34AD 4DAB ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Disclaimer: The information provided in this security advisory is provided "as is" and without warranty of any kind. Details of this security advisory may be updated in order to provide as accurate information as possible. The latest version of this security advisory is available on the SySS Web site. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Copyright: Creative Commons - Attribution (by) - Version 3.0 URL: -----BEGIN PGP SIGNATURE----- iQIcBAEBCgAGBQJWG199AAoJENmkv2o0rU2rkc8QAKuatN3RbHAJJeqY5VadS8yy vU3Zk0J3m/cb8i17zXPF3w52GixMWibSUFkQ4+6m5JniWtOLbf6W9XVsZt6kFRTJ XEGFyxoHtFqpTLqg0f81s4UTRK/9vFz3LOKpEV34zuQm+worurXnodH8N6gdIY2A ndUTPGtbRTpwbpbJbAYU2BFbQWQy2hNFWKYldq6efB81nlkCniZlAlN1wDi/QBWm QeTgiM5gZf/+UxKvUeqPu3sEvkHsXse1BlwxJo6aNLfPUZBSFP0JWtBx8wGRDFx8 RXjtGweJGC0vxzQSodpfZe26OH1wAJF6DXFgSyQ420+B2JlZlr6VhMJLTgNFpdUd K+KBCYLif1fUmWn0qUT4bDd/7Dib+b1QfNDYejqlI2IsbEfBaww976p4HXNCMvN9 Gjf6vGAIACg4yrqvWJNzW6Q7nUph6xneIXzwoC7iZJC07ypO+9MMElPO5gG/SSn5 ei49qDazFyHvwEySEfFWXdeFzS+PSypmqnHjSz1sHjwcOUnsc+sb2CHdHH1eq8vG zdav6XwPy91n1eyzizdkEIA1L5XhWlQc4eS741xXP/fAOKxqM20AVok0PZA1sJfj XDmUAVyki96vvF/Mypfg0ijzXl+RFuxx0bBd2RbtWA3GpaAOmuWBtU50TvXf7N8j meuv9Es9GmY2qM7YcUIK =I6jb -----END PGP SIGNATURE-----

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