CVE-2012-0297 in Web Gateway
Summary
by MITRE
The management GUI in Symantec Web Gateway 5.0.x before 5.0.3 does not properly restrict access to application scripts, which allows remote attackers to execute arbitrary code by (1) injecting crafted data or (2) including crafted data.
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Analysis
by VulDB Data Team • 06/18/2024
The vulnerability identified as CVE-2012-0297 resides within the management graphical user interface of Symantec Web Gateway version 5.0.x prior to 5.0.3. This flaw represents a critical access control weakness that undermines the security posture of the web gateway appliance. The vulnerability specifically affects the application script access controls within the management interface, creating a pathway for unauthorized code execution that could be exploited by remote attackers without authentication. The issue stems from inadequate input validation and sanitization mechanisms that fail to properly restrict access to sensitive application scripts, allowing malicious actors to manipulate the system through carefully crafted data injection techniques.
The technical exploitation of this vulnerability occurs through two primary vectors that align with common web application attack patterns. The first vector involves data injection attacks where malicious inputs are crafted to manipulate the application's behavior and execute arbitrary code within the context of the management interface. The second vector employs data inclusion techniques where attacker-controlled data is incorporated into the application's execution flow, bypassing normal access controls and authorization checks. Both attack methods exploit the fundamental flaw in the application's script access control mechanisms, which should have enforced strict boundaries around script execution but failed to do so properly. This vulnerability directly maps to CWE-22, which describes improper limitation of a pathname to a restricted directory, and CWE-74, which addresses injection flaws during the processing of externally-provided data. The attack patterns employed here also correspond to ATT&CK techniques such as T1059.007 for command and script injection and T1190 for exploit public-facing application, demonstrating how this vulnerability can be leveraged through established attack frameworks.
The operational impact of CVE-2012-0297 extends far beyond simple code execution capabilities, as it fundamentally compromises the integrity and confidentiality of the entire Symantec Web Gateway deployment. Successful exploitation could enable attackers to gain full administrative control over the web gateway appliance, allowing them to modify filtering rules, bypass security policies, access intercepted traffic, and potentially use the compromised appliance as a pivot point for further attacks within the network. The vulnerability affects the management interface specifically, which means that even if the core web gateway functionality remains operational, the administrative capabilities become completely compromised. Organizations relying on Symantec Web Gateway for security policy enforcement could face complete loss of control over their web filtering and security configurations, potentially exposing their networks to unauthorized access and data exfiltration. The remote nature of the attack means that exploitation can occur from anywhere on the internet, making this vulnerability particularly dangerous for organizations that expose their management interfaces to external networks.
Mitigation strategies for CVE-2012-0297 should prioritize immediate patching of affected Symantec Web Gateway appliances to version 5.0.3 or later, as this represents the most effective solution to address the underlying access control flaws. Organizations should also implement network segmentation to restrict access to the management interface, ensuring that only authorized administrative workstations can reach the appliance's management ports. Additional protective measures include implementing strong authentication mechanisms, disabling unnecessary management services, and monitoring network traffic for suspicious activity related to the affected appliance. Security teams should conduct thorough vulnerability assessments of their web gateway deployments to identify any other potential access control weaknesses and ensure that proper network access controls are in place. The vulnerability highlights the importance of proper input validation and access control implementation in web applications, aligning with security best practices outlined in standards such as NIST SP 800-53 and ISO 27001. Organizations should also consider implementing web application firewalls and intrusion detection systems to provide additional layers of protection against similar attack vectors. Regular security assessments and vulnerability scanning should be performed to identify and remediate similar access control weaknesses in other network security appliances and web applications.