samba samba CVE-2017-7494 in Samba and Debian Products
Published on May 30, 2017

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Samba since version 3.5.0 and before 4.6.4, 4.5.10 and 4.4.14 is vulnerable to remote code execution vulnerability, allowing a malicious client to upload a shared library to a writable share, and then cause the server to load and execute it.

Vendor Advisory NVD

Known Exploited Vulnerability

This Samba Remote Code Execution Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Samba contains a remote code execution vulnerability, allowing a malicious client to upload a shared library to a writable share and then cause the server to load and execute it.

The following remediation steps are recommended / required by April 20, 2023: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2017-7494 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

What is a Code Injection Vulnerability?

The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

CVE-2017-7494 has been classified to as a Code Injection vulnerability or weakness.


Products Associated with CVE-2017-7494

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What versions are vulnerable to CVE-2017-7494?