CVE-2017-7143

low-risk

Published 2017-10-23

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.

Do I need to act?

0.07% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.5/10 Medium

LOCAL / LOW complexity

Affected Products (1)

Mac Os X

Affected Vendors

Apple

References (6)

Third Party Advisory http://www.securityfocus.com/bid/100993

Third Party Advisory http://www.securitytracker.com/id/1039427

Vendor Advisory https://support.apple.com/HT208144

Third Party Advisory http://www.securityfocus.com/bid/100993

Third Party Advisory http://www.securitytracker.com/id/1039427

Vendor Advisory https://support.apple.com/HT208144

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low-risk

Severity 18/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal