Google AD Sync Tool Exposure of Sensitive Information Vulnerability

Risk: High
Local: Yes
Remote: No

Sense of Security - Security Advisory - SOS-13-001 Release Date. 03-Apr-2013 Last Update. - Vendor Notification Date. 03-Sep-2012 Product. Google Active Directory Sync (GADS) Tool Platform. Windows, Linux, Solaris Affected versions. All versions up to 3.1.3 Severity Rating. High Impact. Exposure of sensitive information Attack Vector. From local without authentication Solution Status. Upgrade to version 3.1.6 CVE reference. CVE - not yet assigned Details. Due to a weakness in the way the Java encryption algorithm (PBEwithMD5andDES) has been implemented in the GADS tool all stored credentials can be decrypted into plain-text. This includes all of the encrypted passwords stored in any end-users saved XML configuration file, such as Active Directory accounts, SMTP, Proxy details, LDAP and OAuth tokens, etc. Proof of Concept. Using the following information from the XML and GADS tool to decrypt all encrypted passwords from any XML: 1. The hard coded salt: SALT[] = { -87, -101, -56, 50, 86, 53, -29, 3 } 2. The hard coded DES interation count: ITERATION_COUNT = 20 3. The Secret key derived from the uniqueID value in the XML: 6512630db9a74d90a5531f574b85f398 4. The cipher-text from the XML: <encryptedAdminPassword>1edOUtamjNA=</encryptedAdminPassword> 5. The algorithm: PBEwithMD5andDES The decrypted value is: winning! Solution. Upgrade to version 3.1.6 Discovered by. Nathaniel Carew from Sense of Security Labs. About us. Sense of Security is a leading provider of information security and risk management solutions. Our team has expert skills in assessment and assurance, strategy and architecture, and deployment through to ongoing management. We are Australia's premier application penetration testing firm and trusted IT security advisor to many of the country's largest organisations. Sense of Security Pty Ltd Level 8, 66 King St Sydney NSW 2000 AUSTRALIA T: +61 (0)2 9290 4444 F: +61 (0)2 9290 4455 W: E: info () senseofsecurity com au Twitter: @ITsecurityAU The latest version of this advisory can be found at: Other Sense of Security advisories can be found at:


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