CVE-2010-0153 in Proventia Network Mail Security System Virtual Appliance
Summary
by MITRE
Multiple cross-site request forgery (CSRF) vulnerabilities in the Local Management Interface (LMI) on the IBM Proventia Network Mail Security System (PNMSS) appliance with firmware before 2.5.0.2 allow remote attackers to hijack the authentication of administrators for requests that (1) change settings or (2) conduct denial of service attacks.
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Analysis
by VulDB Data Team • 01/06/2018
The vulnerability identified as CVE-2010-0153 represents a critical cross-site request forgery weakness in the Local Management Interface of IBM Proventia Network Mail Security System appliances. This flaw exists within the firmware versions prior to 2.5.0.2 and specifically affects the administrative interface that governs security appliance operations. The vulnerability enables remote attackers to exploit the lack of proper authentication verification mechanisms when processing administrative requests through the web-based management interface. The attack vector is particularly dangerous because it allows unauthorized actors to perform administrative actions without possessing valid credentials, effectively bypassing the authentication system entirely. This weakness resides in the fundamental design of the LMI's request processing logic where the system fails to validate the authenticity of requests originating from legitimate administrative sessions.
The technical implementation of this CSRF vulnerability stems from the absence of anti-forgery tokens or other validation mechanisms within the administrative web interface requests. When administrators perform operations through the LMI, such as modifying security policies, updating configurations, or triggering denial of service conditions, the system does not adequately verify that these requests originate from authenticated administrative sessions. Attackers can craft malicious web pages or exploit existing vulnerabilities in web browsers to trick administrators into executing unauthorized commands without their knowledge. This particular flaw demonstrates poor input validation and authentication flow design, which aligns with CWE-352, the identifier for cross-site request forgery vulnerabilities. The vulnerability is particularly concerning because it operates at the administrative level of security appliances, meaning successful exploitation could result in complete compromise of the mail security infrastructure.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it enables attackers to perform critical administrative functions that could severely disrupt organizational security operations. Remote attackers can leverage this weakness to modify security policies, disable protective measures, or initiate denial of service conditions that would prevent legitimate users from accessing email services. The ability to conduct denial of service attacks through the administrative interface creates a particularly dangerous scenario where an attacker could render the entire mail security system ineffective, leaving organizations vulnerable to email-based threats. This vulnerability directly impacts the availability and integrity of security services, potentially exposing organizations to data breaches, spam flooding, and other malicious email attacks. The exploitation of this flaw could also enable attackers to establish persistence within the network infrastructure, as they could modify logging settings, create backdoor access points, or disable security monitoring capabilities.
Organizations utilizing IBM Proventia Network Mail Security System appliances should immediately implement firmware updates to version 2.5.0.2 or later to remediate this vulnerability. The update addresses the authentication bypass issue by implementing proper request validation mechanisms and anti-forgery token generation for administrative operations. Network segmentation and firewall rules should be implemented to restrict access to the LMI interface to only trusted administrative networks. Additionally, organizations should consider implementing web application firewalls to monitor and filter malicious requests targeting the administrative interface. The vulnerability highlights the importance of maintaining current firmware versions and implementing proper security controls around administrative interfaces. Organizations should also conduct regular security assessments of their network security appliances to identify similar authentication bypass vulnerabilities. This case study serves as a reminder of the critical importance of proper authentication validation in administrative interfaces, particularly in security appliances where unauthorized access could result in complete system compromise and operational disruption. The vulnerability demonstrates the necessity of following security best practices such as implementing CSRF protection mechanisms and maintaining comprehensive patch management programs to protect against known exploitation techniques.