Out-of-bounds Read in Apple Iphone OS
CVE-2018-4248
An out-of-bounds read was addressed with improved input validation. This issue affected versions prior to iOS 11.4.1, macOS High Sierra 10.13.6, tvOS 11.4.1, watchOS 4.3.2.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.024 (83.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Apple Iphone OS
- Apple Mac OS X
- Apple tvOS
- Apple watchOS
- iOS, macOS, tvOS, watchOS — versions Versions prior to: iOS 11.4.1, macOS High Sierra 10.13.6, tvOS 11.4.1, watchOS 4.3.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.apple.com/kb/HT208937 (Vendor Advisory)
- support.apple.com/kb/HT208938 (Vendor Advisory)
- support.apple.com/kb/HT208935 (Vendor Advisory)
- support.apple.com/kb/HT208936 (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-4248?
- CVE-2018-4248 is a high-severity vulnerability in Apple Iphone OS, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2019-04-03.
- How severe is CVE-2018-4248?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-4248 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.