以下是这段描述漏洞的核心信息，用简洁的markdown格式呈现： --- Vulnerability: - Type: Security flaw - Affected Product: DeltaThree's Pc-To-Phone - Version: 3.0.3 and possibly earlier Issue Details: - Account number and password stored in world-readable file in installation directory. - Log and PhoneBook data shared and accessible to all users. Company Response: - DeltaThree is addressing the issue but requires significant development work. - No quick fix available; solution expected in the upcoming quarter. - Different dialers for secure environments implemented. User Impact: - Potential exposure of billing account details and call logs. - Risk of unauthorized access due to insecure storage of sensitive data. Suggestion: - Program should use for sensitive data storage. - Install program in a secure directory until updated version is released. --- 这封邮件详细描述了一个与DeltaThree的Pc-To-Phone软件相关的安全漏洞，并附带了官方的初步回应和解决计划。