Buffer overflow in Apple Icloud
CVE-2018-4378
A memory corruption issue was addressed with improved validation. This issue affected versions prior to iOS 12.1, tvOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.
Vulnerability class: Buffer Overflow
EPSS: 0.015 (70.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Apple Icloud
- Apple Iphone_os
- Apple Itunes
- Apple Safari
- Apple Tvos
- Apple Watchos
- Microsoft Windows
- N/a Ios, Tvos, Watchos, Safari, Itunes For Windows, Icloud Windows — versions Versions prior to: iOS 12.1, tvOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-4378?
- CVE-2018-4378 is a high-severity vulnerability in Apple Icloud, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2019-04-03.
- How severe is CVE-2018-4378?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2018-4378 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.