CVE-2017-7408 in Network Traps ESM Console
Summary
by MITRE
Palo Alto Networks Traps ESM Console before 3.4.4 allows attackers to cause a denial of service by leveraging improper validation of requests to revoke a Traps agent license.
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Analysis
by VulDB Data Team • 08/31/2020
The vulnerability identified as CVE-2017-7408 affects Palo Alto Networks Traps ESM Console versions prior to 3.4.4, representing a critical denial of service weakness that could severely impact enterprise security operations. This flaw resides within the console's license management functionality, specifically in how it handles requests to revoke Traps agent licenses. The issue stems from insufficient input validation mechanisms that fail to properly sanitize or verify the legitimacy of revocation requests, creating an exploitable condition that attackers can leverage to disrupt normal console operations.
The technical implementation of this vulnerability demonstrates a classic improper input validation flaw that aligns with CWE-20, which encompasses weaknesses related to improper handling of input data. Attackers can craft malicious requests to the console's license revocation endpoint without proper authentication or authorization checks, potentially causing the console to crash or become unresponsive. This improper validation occurs at the application level where the console fails to implement adequate parameter validation, access controls, or request integrity checks before processing license revocation commands. The vulnerability essentially allows an attacker to send malformed or unauthorized license revocation requests that the system cannot properly handle, leading to service disruption.
The operational impact of this vulnerability extends beyond simple service interruption, as it directly affects the security posture of organizations relying on Palo Alto Networks Traps for endpoint protection. When the ESM console becomes unresponsive or crashes due to this denial of service condition, security administrators lose visibility into their endpoint protection status, potentially creating blind spots in their security infrastructure. The console's inability to properly process legitimate license revocation requests also means that authorized administrators may be unable to manage their agent licenses effectively, leading to operational inefficiencies and potential compliance issues. This vulnerability particularly impacts organizations with large endpoint footprints where license management is critical for maintaining proper security coverage.
Organizations should implement immediate mitigations including upgrading to Traps ESM Console version 3.4.4 or later, which contains the necessary patches to address the improper validation issue. Network segmentation and access controls should be strengthened to limit unauthorized access to the console's administrative interfaces, reducing the attack surface. Additionally, implementing monitoring solutions that can detect unusual patterns in license revocation requests may help identify potential exploitation attempts. Security teams should also establish incident response procedures specifically addressing console availability issues and maintain regular backup and recovery procedures for the ESM console infrastructure. The remediation process should include comprehensive testing to ensure that the patch does not introduce compatibility issues with existing security policies or workflows, while also validating that proper access controls are maintained for legitimate administrative functions.