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CVE-2017-7143

5.5 · MEDIUM

An issue was discovered in certain Apple products.

Published Oct 23, 2017CWE-319EPSS 0.34%

Overview

CVE-2017-7143 is a medium-severity vulnerability. It was published on October 23, 2017 and has a CVSS 3.0 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

An issue was discovered in certain Apple products. macOS before 10.13 is affected. The issue involves the "Captive Network Assistant" component. It allows remote attackers to discover cleartext passwords in opportunistic circumstances by sniffing the network during use of the captive portal browser, which has a UI error that can lead to cleartext transmission without the user's awareness.

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

Refwww.securityfocus.com/bid/100993Refwww.securitytracker.com/id/1039427Refsupport.apple.com/HT208144Refwww.securityfocus.com/bid/100993Refwww.securitytracker.com/id/1039427Refsupport.apple.com/HT208144

How CyberStrike helps

Frequently asked questions

What is CVE-2017-7143?

CVE-2017-7143 is a medium-severity vulnerability. It was published on October 23, 2017 and has a CVSS 3.0 base score of 5.5 (MEDIUM).

How severe is CVE-2017-7143?

This vulnerability has a CVSS 3.0 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2017-7143?

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-2017-7143?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-7143 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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