CVE-2022-40709 in Deep Security
Summary
by MITRE • 09/29/2022
An Out-of-bounds read vulnerability in Trend Micro Deep Security 20 and Cloud One - Workload Security Agent for Windows could allow a local attacker to disclose sensitive information on affected installations.
Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit these vulnerabilities.
This vulnerability is similar to, but not identical to CVE-2022-40707 and 40708.
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Analysis
by VulDB Data Team • 07/27/2023
The vulnerability identified as CVE-2022-40709 represents a critical out-of-bounds read flaw within Trend Micro Deep Security 20 and Cloud One - Workload Security Agent for Windows implementations. This security weakness manifests as an improper input validation issue that occurs when processing specific data structures within the security agent's memory management routines. The flaw specifically affects the Windows-based workload security agent component that is designed to protect enterprise environments from various cyber threats through comprehensive monitoring and threat detection capabilities.
The technical nature of this vulnerability stems from inadequate bounds checking mechanisms within the memory access operations of the Trend Micro security agent software. When the agent processes certain input parameters or data streams, it fails to properly validate the boundaries of memory regions, allowing for unauthorized access to memory locations that should remain protected. This improper validation creates a condition where the application attempts to read data from memory addresses beyond the intended buffer boundaries, potentially exposing sensitive information stored in adjacent memory locations. The vulnerability operates at the kernel or system-level memory management functions, making it particularly dangerous as it can be exploited to access confidential data that may include system credentials, configuration details, or other sensitive operational information.
From an operational perspective, this vulnerability presents a significant risk to enterprise security infrastructure, particularly in environments where Trend Micro Deep Security solutions are deployed. The requirement for initial low-privileged code execution represents a mitigation factor that limits the attack surface, but does not eliminate the threat entirely. Attackers who successfully compromise systems through other means can leverage this vulnerability to escalate their access and extract valuable information from the compromised systems. The potential for information disclosure creates opportunities for adversaries to gather intelligence about system configurations, security policies, and operational details that could be used in subsequent attacks. This vulnerability particularly impacts organizations relying on Trend Micro's workload security solutions for their cloud and on-premises infrastructure protection, as it undermines the very security controls designed to defend against such threats.
The exploitation of CVE-2022-40709 aligns with common attack patterns documented in the attack mitigation framework, specifically relating to privilege escalation and information gathering techniques. This vulnerability demonstrates characteristics consistent with CWE-129, which addresses improper validation of input boundaries, and may also exhibit similarities to CWE-787, which covers out-of-bounds write operations. The attack vector typically involves a local attacker who has already established a foothold on the target system through other means such as phishing attacks, unpatched software vulnerabilities, or social engineering tactics. Once initial access is obtained, the attacker can leverage this vulnerability to read sensitive memory locations and potentially extract system credentials or other confidential data that could be used for further compromise of the network infrastructure.
Organizations should implement immediate remediation measures including applying the latest security patches provided by Trend Micro to address this vulnerability. The recommended mitigation strategy involves upgrading to patched versions of Trend Micro Deep Security 20 and Cloud One - Workload Security Agent for Windows, ensuring that all systems are updated to versions that contain proper bounds checking implementations. Additionally, system administrators should conduct comprehensive vulnerability assessments to identify any systems running affected versions of the software and prioritize patching efforts accordingly. Network monitoring should be enhanced to detect potential exploitation attempts, and access controls should be reviewed to minimize the potential impact of successful exploitation attempts. The vulnerability's similarity to CVE-2022-40707 and CVE-2022-40708 indicates a potential pattern in Trend Micro's software implementation that warrants careful attention to ensure all related vulnerabilities are properly addressed through coordinated patch management efforts.