CVE-2017-7938 : Security Advisory and Response

Deepmagic Information Gathering Tool (DMitry) version 1.3a for Unix is vulnerable to a stack-based buffer overflow, potentially leading to a denial of service attack and other impacts.

Understanding CVE-2017-7938

What is CVE-2017-7938?

DMitry version 1.3a for Unix is affected by a stack-based buffer overflow vulnerability that can be exploited by attackers to crash the application or potentially execute arbitrary code.

The Impact of CVE-2017-7938

The vulnerability in DMitry could result in a denial of service attack, causing the application to crash. Moreover, attackers could leverage this flaw to execute automated commands using extracted hostname strings.

Technical Details of CVE-2017-7938

Vulnerability Description

The stack-based buffer overflow in DMitry version 1.3a for Unix allows attackers to disrupt the application's normal operation or potentially execute malicious actions.

Affected Systems and Versions

Product: DMitry
Vendor: N/A
Version: 1.3a

Exploitation Mechanism

Attackers can exploit this vulnerability by providing a long argument to the DMitry tool, triggering the buffer overflow and potentially causing a denial of service or executing unauthorized commands.

Mitigation and Prevention

Immediate Steps to Take

Disable or restrict access to the vulnerable DMitry tool.
Implement network-level controls to filter out potentially malicious inputs.
Regularly monitor and analyze system logs for any suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Keep software and systems up to date with the latest patches and security updates.

Patching and Updates

Apply patches or updates provided by the software vendor to address the buffer overflow vulnerability in DMitry version 1.3a for Unix.