Buffer overflow in Apple Icloud
CVE-2018-4441
A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2, Safari 12.0.2, iTunes 12.9.2 for Windows, iCloud for Windows 7.9.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.127 (96.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.127 · newest: 0.127 · change: 0.000
Affected products
- Apple Icloud
- Apple Iphone OS
- Apple Itunes
- Apple Safari
- Apple tvOS
- Apple watchOS
- Microsoft Windows
- iOS, tvOS, watchOS, Safari, Itunes For Windows, Icloud Windows — versions Versions prior to: iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2, Safari 12.0.2, iTunes 12.9.2 for Windows, iCloud for Windows 7.9
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.apple.com/kb/HT209343 (Vendor Advisory)
- support.apple.com/kb/HT209342 (Vendor Advisory)
- support.apple.com/kb/HT209340 (Vendor Advisory)
- support.apple.com/kb/HT209344 (Vendor Advisory)
- support.apple.com/kb/HT209346 (Vendor Advisory)
- support.apple.com/kb/HT209345 (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-4441?
- CVE-2018-4441 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-2018-4441?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2018-4441 known to be exploited?
- 17 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.