Buffer overflow in Apple Iphone OS
CVE-2018-4331
A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.044 (90.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.044 · newest: 0.044 · 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 12, macOS Mojave 10.14, tvOS 12, watchOS 5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.apple.com/kb/HT209107 (Vendor Advisory)
- support.apple.com/kb/HT209193 (Vendor Advisory)
- support.apple.com/kb/HT209106 (Vendor Advisory)
- support.apple.com/kb/HT209139 (Vendor Advisory)
- support.apple.com/kb/HT209108 (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-4331?
- CVE-2018-4331 is a critical-severity vulnerability in Apple Iphone OS, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2019-04-03.
- How severe is CVE-2018-4331?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-4331 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.