Earthlink TotalAccess ActiveX Unsafe Methods

2007.02.02
Credit: Ethan Hunt
Risk: Medium
Local: No
Remote: Yes
CWE: N/A


CVSS Base Score: 6.8/10
Impact Subscore: 6.4/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

Title: ------------------- Earthlink TotalAccess ActiveX Unsafe Methods Vulnerability Vendor Contacted: ------------------- now-ish. Background Info: ------------------- Earthlink TotalAccess Download Site: http://www.earthlink.net/software/free/totalaccess/highspeed/ Description: ------------------- Remote exploitation of an unsafe method call allows remote attackers to add entire individual e-mail addresses or entire domains to the spam whitelist. Analysis: ------------------- In order to exploit this vulnerability an attacker would have to entice a user to visit a webpage. The affected DLL is: C:Program FilesEarthLink TotalAccessSpamBlocker.dll with CLSID: 3D6A4D0C-66AC-46D4-ACE1-75A1D7E579D8 It is marked safe for scripting: RegKey Safe for Script: True RegKey Safe for Init: False Implements IObjectSafety: True and has the following interesting methods: AddDomainToWhitelist Sub AddDomainToWhiteList ( ByVal sDomain As String , ByVal bShowConfirmation As Boolean ) AddSenderToWhitelist Sub AddSenderToWhiteList ( ByVal sEmailList As String , ByVal sDisplayName As String , ByVal bShowConfirmation As Boolean , ByVal sSyncId As String ) Might have some form of validation, but it sure doesn't appear so. -- _______________________________________________ Get your free email from http://www.hackermail.com


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