CVE-2016-7578 Apple CVE debrief

Who should care

Organizations and individuals running affected Apple software should care, especially teams managing Safari browsing endpoints, iOS and tvOS devices, and systems using iCloud or iTunes. Security and endpoint management teams should prioritize patch deployment because exploitation can be delivered through web content.

Technical summary

The NVD record classifies the issue as CWE-119 and describes a WebKit memory-corruption condition. The attack vector is network-based, with low complexity and no privileges required, but it does require user interaction via a crafted website. Impact is rated high for confidentiality, integrity, and availability, and affected versions include iOS before 10.1, Safari before 10.0.1, iCloud before 6.0.1, iTunes before 12.5.2, and tvOS before 10.0.1.

Defensive priority

High. This is a remotely reachable browser-engine flaw with potential code execution and broad impact across Apple platforms.

Recommended defensive actions

• Apply Apple's security updates for the affected product lines as soon as possible.
• Prioritize upgrades to iOS 10.1 or later, Safari 10.0.1 or later, iCloud 6.0.1 or later, iTunes 12.5.2 or later, and tvOS 10.0.1 or later.
• Use the Apple vendor advisories listed in the record (HT207270 through HT207274) to confirm the correct remediation package for each product.
• Monitor and reduce exposure to untrusted or unneeded web browsing on unpatched devices until updates are complete.
• Track asset inventories for any Apple systems that may still run the affected versions and verify remediation after patching.

Evidence notes

All substantive claims are grounded in the supplied NVD record and its reference metadata. The record states the affected Apple products and fixed-version boundaries, identifies the weakness as CWE-119, and provides the CVSS vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. Reference metadata also lists Apple vendor advisories (HT207270-HT207274) and third-party advisories (SecurityFocus BID 93949 and SecurityTracker 1037139). No advisory page contents were fetched beyond the supplied corpus metadata.

Official resources