Out-of-bounds Read in Apple Icloud
CVE-2019-8746
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15, iOS 13, iCloud for Windows 7.14, iCloud for Windows 10.7, tvOS 13, macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, watchOS 6, iTunes 12.10.1 for Windows. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.030 (87.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000
Affected products
- Apple Icloud
- Apple iOS — versions unspecified
- Apple Iphone OS
- Apple Itunes
- Apple macOS — versions unspecified
- Apple Mac OS X
- Apple tvOS — versions unspecified
- Apple watchOS — versions unspecified
Weakness classification (CWE)
References
- support.apple.com/en-us/HT210634 (Vendor Advisory)
- support.apple.com/en-us/HT210722 (Vendor Advisory)
- support.apple.com/en-us/HT210604 (Vendor Advisory)
- support.apple.com/en-us/HT210606 (Vendor Advisory)
- support.apple.com/en-us/HT210607 (Vendor Advisory)
- support.apple.com/en-us/HT210635 (Vendor Advisory)
- support.apple.com/en-us/HT210636 (Vendor Advisory)
- support.apple.com/en-us/HT210637 (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-8746?
- CVE-2019-8746 is a critical-severity vulnerability in Apple Icloud, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2020-10-27.
- How severe is CVE-2019-8746?
- Critical severity. CVSS v3 base score is 9.8 out of 10.