Buffer overflow in Apple Icloud
CVE-2018-4376
Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.
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: 0.014 (71.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Apple Icloud
- Apple Iphone OS
- Apple Itunes
- Apple Safari
- Apple watchOS
- Microsoft Windows
- iOS, watchOS, Safari, Itunes For Windows, Icloud Windows — versions Versions prior to: iOS 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
- support.apple.com/kb/HT209192 (Vendor Advisory)
- support.apple.com/kb/HT209195 (Vendor Advisory)
- support.apple.com/kb/HT209197 (Vendor Advisory)
- support.apple.com/kb/HT209198 (Vendor Advisory)
- support.apple.com/kb/HT209196 (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-4376?
- CVE-2018-4376 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-2018-4376?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2018-4376 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.