CVE-2022-40708 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.
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Analysis
by VulDB Data Team • 07/27/2023
The vulnerability identified as CVE-2022-40708 represents a critical out-of-bounds read flaw within Trend Micro Deep Security 20 and Cloud One - Workload Security Agent for Windows implementations. This issue manifests as a memory access violation that occurs when the security agent processes certain input data structures without proper bounds checking mechanisms. The vulnerability exists in the Windows-based workload security agent component that is designed to monitor and protect virtualized environments and cloud workloads. Attackers exploiting this weakness can potentially read memory locations beyond the intended buffer boundaries, which may expose sensitive information stored in adjacent memory regions.
The technical nature of this vulnerability aligns with CWE-125, which describes out-of-bounds read conditions where software accesses memory beyond the boundaries of a buffer. The flaw specifically affects the Windows agent implementation of Trend Micro's security platform, where insufficient input validation and boundary checking routines allow for memory corruption scenarios. This type of vulnerability typically arises from improper handling of user-supplied data or malformed input within the security agent's processing pipeline. The vulnerability is particularly concerning because it operates at the kernel level or privileged execution context where the security agent operates, making it a potential vector for information disclosure attacks.
From an operational perspective, the impact of CVE-2022-40708 is significant for organizations relying on Trend Micro's workload security solutions. The vulnerability requires local execution privileges to exploit, meaning an attacker must first compromise a system to gain low-privileged code execution capabilities before leveraging this specific flaw. This prerequisite reduces the attack surface compared to remote exploitation vulnerabilities but still presents a serious risk in environments where privilege escalation is possible. The information disclosure potential could expose sensitive system data, configuration details, or credential information that might be stored in adjacent memory locations, potentially enabling further attacks or system compromise.
Security professionals should consider this vulnerability in relation to ATT&CK framework techniques such as T1005 for data from local system and T1059 for command and scripting interface. The vulnerability's exploitation path follows the typical pattern of local privilege escalation followed by information gathering, which aligns with adversary tactics for reconnaissance and lateral movement. Organizations should implement immediate mitigation strategies including patching the affected Trend Micro agents to the latest versions that address this memory access issue. Additionally, monitoring for unusual memory access patterns or potential exploitation attempts should be enabled within the security infrastructure to detect any attempted exploitation of this vulnerability.
The similarity between CVE-2022-40708 and CVE-2022-40707 highlights a broader pattern of memory safety issues within Trend Micro's security agent implementations, suggesting that additional vulnerabilities may exist within the same codebase. This pattern emphasizes the importance of thorough code review and input validation practices in security software implementations. Organizations should conduct comprehensive vulnerability assessments of their Trend Micro deployments and consider alternative security solutions if patching timelines are insufficient to address the risk. The vulnerability serves as a reminder of the critical importance of memory safety in security software, particularly in agents that operate with elevated privileges and handle sensitive system information.