What’s Vulnerable › Vulnerabilities

CVE-2017-7172

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-04-03 · updated 2026-06-17
• Weakness: CWE-119

Description

An issue was discovered in certain Apple products. iOS before 11.2 is affected. macOS before 10.13.2 is affected. iCloud before 7.2 on Windows is affected. iTunes before 12.7.2 on Windows is affected. tvOS before 11.2 is affected. watchOS before 4.2 is affected. The issue involves the "CFNetwork Session" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

Affected products

• Apple iCloud for Windows: before 7.2 — fixed in 7.2
• Apple Iphone Os: before 11.2 — fixed in 11.2
• Apple iTunes for Windows: before 12.7.2 — fixed in 12.7.2
• macOS: before 10.13.2 — fixed in 10.13.2
• Apple tvOS: before 11.2 — fixed in 11.2
• Apple watchOS: before 4.2 — fixed in 4.2

How to fix

Upgrade to a fixed version: Apple iCloud for Windows 7.2; Apple Iphone Os 11.2; Apple iTunes for Windows 12.7.2; macOS 10.13.2; Apple tvOS 11.2; Apple watchOS 4.2. Check the vendor advisory for mitigations.

References

• https://support.apple.com/HT208325
• https://support.apple.com/HT208326
• https://support.apple.com/HT208327
• https://support.apple.com/HT208328
• https://support.apple.com/HT208331
• https://support.apple.com/HT208334
• https://support.apple.com/HT208325
• https://support.apple.com/HT208326
• https://support.apple.com/HT208327
• https://support.apple.com/HT208328
• https://support.apple.com/HT208331
• https://support.apple.com/HT208334

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