Buffer overflow in Apple Iphone OS
CVE-2018-4427
A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to: iOS 12.1, watchOS 5.1.2, tvOS 12.1.1, macOS High Sierra 10.13.6 Security Update 2018-003 High Sierra, macOS Sierra 10.12.6 Security Update 2018-006.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (63.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Apple Iphone OS
- Apple Mac OS X
- Apple tvOS
- Apple watchOS
- watchOS, tvOS, macOS — versions Versions prior to: watchOS 5.1.2, tvOS 12.1.1 macOS Sierra 10.12.6, macOS High Sierra 10.13.6, iOS 12.1
Weakness classification (CWE)
References
- support.apple.com/kb/HT209343 (Vendor Advisory)
- support.apple.com/kb/HT209342 (Vendor Advisory)
- support.apple.com/kb/HT209341 (Vendor Advisory)
- support.apple.com/kb/HT209192 (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-4427?
- CVE-2018-4427 is a high-severity vulnerability in Apple Iphone OS, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2019-04-03.
- How severe is CVE-2018-4427?
- High severity. CVSS v3 base score is 7.8 out of 10.