CVE-2012-4685 in Peakflow SP
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Arbor Networks Peakflow SP 5.1.1 before patch 6, 5.5 before patch 4, and 5.6.0 before patch 1 allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to index.
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Analysis
by VulDB Data Team • 08/01/2024
The vulnerability identified as CVE-2012-4685 represents a critical cross-site scripting flaw in Arbor Networks Peakflow SP versions 5.1.1 prior to patch 6, 5.5 prior to patch 4, and 5.6.0 prior to patch 1. This vulnerability resides in the web application interface of the network monitoring and security analytics platform, specifically within how the system processes the PATH_INFO parameter in the index endpoint. The flaw allows remote attackers to execute malicious scripts in the context of a victim's browser session, potentially leading to unauthorized access, data theft, or complete compromise of the affected system.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding within the Peakflow SP web interface. When the application receives a request containing malicious content in the PATH_INFO parameter, it fails to properly sanitize or encode this input before incorporating it into dynamically generated web pages. This omission creates an exploitable condition where attacker-controlled data can be interpreted as executable script code rather than benign input, enabling the execution of arbitrary web scripts or HTML content within the victim's browser context.
The operational impact of this vulnerability is substantial, particularly given that Peakflow SP is designed for network security monitoring and analytics. An attacker could exploit this flaw to steal session cookies, perform actions on behalf of authenticated users, or redirect victims to malicious sites. The vulnerability affects multiple versions of the software, indicating a widespread exposure across the product line. Network security administrators who rely on Peakflow SP for monitoring critical infrastructure may find their systems compromised, potentially allowing attackers to gain visibility into network traffic patterns and security events that the system is designed to protect.
This vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws in web applications. The flaw demonstrates poor input validation practices and inadequate output encoding mechanisms that are fundamental to preventing XSS attacks. From an adversarial perspective, this vulnerability maps to ATT&CK technique T1059.007 for Command and Scripting Interpreter, specifically web shell execution, and T1566 for Phishing, as attackers could leverage this vulnerability to deliver malicious payloads through compromised web interfaces. The exposure of this vulnerability in a network security product is particularly concerning as it undermines the integrity of the security monitoring capabilities and could enable attackers to evade detection while compromising the very systems designed to protect network infrastructure. Organizations should immediately apply the vendor patches referenced in the CVE description and consider implementing additional network segmentation and web application firewalls as compensating controls to mitigate potential exploitation attempts.
The remediation approach for this vulnerability requires immediate patch deployment across all affected Peakflow SP installations. Organizations should verify that the specific patch versions mentioned in the CVE description have been applied to their systems, ensuring that the PATH_INFO parameter handling has been properly addressed. Additionally, security teams should conduct comprehensive vulnerability assessments to identify any other potential XSS vulnerabilities within the Peakflow SP interface or related web applications. Network monitoring should be enhanced to detect anomalous traffic patterns that might indicate exploitation attempts, and access controls should be reviewed to limit exposure of the vulnerable web interface to trusted networks only.