Detection Guidance

This vulnerability is a local structured exception handling (SEH) buffer overflow in AIDA64 Business 5.99.4900 that requires interaction with the application GUI to inject shellcode via the SMTP display name field and trigger it through report generation.

Detection involves monitoring for unusual or malicious input in the SMTP display name field within AIDA64 Business preferences or report wizard usage, as well as signs of SEH overwrite exploitation attempts.

Since the exploit is local and involves specific application fields, network-based detection commands are not directly applicable. Instead, detection can focus on monitoring the application logs or behavior for abnormal crashes or execution of unexpected code.

No specific commands for detection are provided in the available resources.

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Executive Summary

[{'type': 'paragraph', 'content': 'CVE-2019-25631 is a structured exception handling (SEH) buffer overflow vulnerability found in AIDA64 Business version 5.99.4900. It allows local attackers to execute arbitrary code by overwriting SEH pointers with malicious shellcode.'}, {'type': 'paragraph', 'content': "Attackers exploit this vulnerability by injecting egg hunter shellcode through the SMTP display name field in the application's preferences or report wizard functionality. This triggers the buffer overflow and causes the application to execute the injected code with the same privileges as the application."}, {'type': 'paragraph', 'content': "The exploit involves placing specially crafted shellcode in the display name field and then triggering the overflow during report generation, which redirects execution flow to the attacker's code."}] [2, 4]

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Impact Analysis

This vulnerability can have serious impacts as it allows local attackers to execute arbitrary code with the privileges of the AIDA64 Business application.

Successful exploitation can compromise the confidentiality, integrity, and availability of the affected system.

• Attackers can run malicious code locally, potentially leading to unauthorized access or control over the system.
• The exploit requires low attack complexity and no user interaction, increasing the risk of exploitation.

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Compliance Impact

I don't know

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Mitigation Strategies

Immediate mitigation steps include updating AIDA64 Business to a version later than 5.99.4900 where this vulnerability is fixed.

If an update is not immediately available, restrict local access to the affected system to trusted users only, as exploitation requires local interaction.

Avoid entering untrusted or suspicious data into the SMTP display name field or using the report wizard functionality until the vulnerability is patched.

Request a free test license or download the latest stable or beta versions from the official AIDA64 downloads page to ensure you are running a secure version.

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