CVE-2007-6319 in List Manager
Summary
by MITRE
Multiple unspecified vulnerabilities in Lyris ListManager 8.x before 8.95d, 9.2 before 9.2c, and 9.3 before 9.3b allow remote attackers to (1) gain list administrator privileges or (2) access arbitrary mailing lists via unknown vectors related to modification of client-side information; and (3) allow remote authenticated administrators to modify other account data by creating "new accounts that collide with existing accounts."
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Analysis
by VulDB Data Team • 08/05/2019
CVE-2007-6319 represents a series of security vulnerabilities affecting Lyris ListManager versions 8.x prior to 8.95d, 9.2 prior to 9.2c, and 9.3 prior to 9.3b. These vulnerabilities stem from inadequate input validation and privilege management mechanisms within the email list management system. The flaw allows remote attackers to manipulate client-side information in ways that can escalate their privileges or gain unauthorized access to mailing lists. The vulnerability classification aligns with CWE-284 Access Control Issues, specifically concerning improper access control mechanisms that permit unauthorized privilege escalation. The attack vectors involve modification of client-side data that can be exploited to manipulate the application's behavior and access control systems.
The technical exploitation of these vulnerabilities occurs through manipulation of client-side information that is subsequently processed by the server. Attackers can leverage these weaknesses to either escalate their privileges from regular users to list administrators or gain access to arbitrary mailing lists that they should not be authorized to view or modify. The third vector involves authenticated administrators who can create new accounts that collide with existing accounts, allowing them to modify other users' account data. This account collision mechanism represents a form of privilege escalation and data manipulation that violates fundamental security principles of user isolation and data integrity. The vulnerability demonstrates poor implementation of account management and authentication controls.
The operational impact of CVE-2007-6319 is significant for organizations relying on Lyris ListManager for email list management and communication. Successful exploitation can result in unauthorized access to sensitive mailing list data, privilege escalation leading to full administrative control, and potential data manipulation by malicious actors. The vulnerabilities affect the core security model of the application, potentially allowing attackers to compromise entire mailing list systems and access confidential information shared through these platforms. Organizations using affected versions face risks of data breaches, unauthorized communications, and potential regulatory compliance violations due to compromised access controls.
Mitigation strategies for CVE-2007-6319 should focus on immediate software updates to versions 8.95d, 9.2c, or 9.3b where these vulnerabilities have been addressed. Organizations should implement comprehensive access control reviews and privilege management policies to minimize the impact of any potential exploitation. Network segmentation and monitoring of administrative activities can help detect suspicious account creation or privilege escalation attempts. The vulnerability aligns with ATT&CK technique T1078 Valid Accounts, as it involves unauthorized access through account manipulation and privilege escalation. Additionally, the account collision mechanism relates to ATT&CK technique T1531 Account Access Removal, as it can enable unauthorized modification of existing user accounts and data. Security teams should conduct thorough audits of user accounts and access permissions, implement proper account lifecycle management, and ensure that all systems are updated to the latest secure versions to prevent exploitation of these access control vulnerabilities.