CVE-2012-2975 in BIG-IP
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the traffic overview page on the F5 ASM appliance 10.0.0 through 11.2.0 HF2 allows remote attackers to inject arbitrary web script or HTML via crafted requests that are later listed on a summary page.
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Analysis
by VulDB Data Team • 08/10/2024
The CVE-2012-2975 vulnerability represents a critical cross-site scripting flaw discovered in F5 Application Security Manager (ASM) appliances running versions 10.0.0 through 11.2.0 HF2. This vulnerability specifically affects the traffic overview page functionality within the ASM appliance, creating a significant security risk for organizations relying on F5's application security solutions. The flaw enables remote attackers to execute malicious scripts against unsuspecting users who access the affected summary pages, potentially compromising user sessions and data integrity. The vulnerability stems from insufficient input validation and output encoding mechanisms within the traffic overview functionality, allowing malicious payloads to be stored and subsequently executed in the context of legitimate user sessions. This issue falls under the CWE-79 category of Cross-Site Scripting, which is classified as a fundamental web application security weakness that has been consistently identified as one of the most prevalent vulnerabilities in web applications.
The technical implementation of this vulnerability occurs when crafted malicious requests are processed by the F5 ASM appliance and subsequently displayed on the traffic overview summary page. Attackers can inject arbitrary web scripts or HTML content through carefully constructed HTTP requests that bypass the appliance's normal input sanitization processes. When legitimate users navigate to the traffic overview page, the malicious content is executed in their browser context, potentially leading to session hijacking, credential theft, or redirection to malicious sites. The vulnerability exploits the lack of proper output encoding for data that originates from user-supplied inputs, creating a persistent XSS vector that remains active until the affected appliance is properly patched or the vulnerable functionality is disabled. This type of vulnerability aligns with ATT&CK technique T1531 which focuses on establishing persistence through malicious scripts in web applications, and demonstrates how attackers can leverage web application flaws to maintain unauthorized access to systems.
The operational impact of CVE-2012-2975 extends beyond simple script execution, as it provides attackers with a foothold for more sophisticated attacks within the network infrastructure. Organizations using F5 ASM appliances in their security architecture face potential compromise of their application security monitoring capabilities, as the vulnerability affects the very dashboard used to monitor traffic patterns and security events. Attackers could manipulate the traffic overview page to hide malicious activities or create false security alerts, undermining the appliance's effectiveness as a security monitoring tool. The vulnerability also poses risks to user privacy and data integrity, as it could enable attackers to steal session cookies, credentials, or other sensitive information from users interacting with the appliance's web interface. This threat is particularly concerning in enterprise environments where F5 appliances are commonly deployed to protect critical web applications and where the traffic overview page serves as a primary monitoring interface for security operations teams.
Mitigation strategies for CVE-2012-2975 should prioritize immediate patching of affected F5 ASM appliances to the latest available security updates from F5 Networks, which would address the underlying input validation and output encoding deficiencies. Organizations should implement network segmentation and access controls to limit exposure of the affected appliance to untrusted users, while also configuring proper input filtering rules within the appliance's security policies. Security teams should conduct comprehensive vulnerability assessments to identify any other potentially affected components within their F5 infrastructure and ensure that all appliances are running supported firmware versions. The implementation of web application firewalls and additional monitoring controls can provide defense-in-depth measures to detect and prevent exploitation attempts. Additionally, organizations should review their incident response procedures to ensure readiness for potential exploitation of this vulnerability, as it could indicate broader compromise attempts targeting their application security infrastructure. Regular security assessments and penetration testing should be conducted to verify that the applied mitigations remain effective and to identify any additional vulnerabilities that may exist within the F5 appliance configuration or related systems.