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CVE-2018-18748

10.0 · CRITICAL

Sandboxie 5.26 allows a Sandbox Escape via an "import os" statement, followed by os.system("cmd") or os.system("powershell"), within a .py file.

Published Oct 29, 2018EPSS 2.43%

Overview

CVE-2018-18748 is a critical-severity vulnerability. It was published on October 29, 2018 and has a CVSS 3.0 base score of 10.0 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Sandboxie 5.26 allows a Sandbox Escape via an "import os" statement, followed by os.system("cmd") or os.system("powershell"), within a .py file. NOTE: the vendor disputes this issue because the observed behavior is consistent with the product's intended functionality

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/sandboxescape/Sandboxie-5.26-Sandbox-Escape-Exploit/blob/2632a5f7409e52b2e020f5d4467fa019f9095e73/README.docGitHubgithub.com/sandboxescape/Sandboxie-5.26-Sandbox-Escape-Exploit/GitHubgithub.com/sandboxescape/Sandboxie-5.26-Sandbox-Escape-Exploit/blob/2632a5f7409e52b2e020f5d4467fa019f9095e73/README.doc

How CyberStrike helps

Frequently asked questions

What is CVE-2018-18748?

CVE-2018-18748 is a critical-severity vulnerability. It was published on October 29, 2018 and has a CVSS 3.0 base score of 10.0 (CRITICAL).

How severe is CVE-2018-18748?

This vulnerability has a CVSS 3.0 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-18748?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-18748?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-18748 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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