Buffer overflow in Apple Icloud
CVE-2019-8844
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 13.3, watchOS 6.1.1, iCloud for Windows 10.9, iOS 13.3 and iPadOS 13.3, Safari 13.0.4, iTunes 12.10.3 for Windows, iCloud for Windows 7.16. Processing maliciously crafted web content may lead to arbitrary code execution.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.022 (81.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Apple Icloud
- Apple Icloud For Windows — versions unspecified
- Apple iOS And Ipados — versions unspecified
- Apple Ipados
- Apple Iphone OS
- Apple Itunes
- Apple Itunes For Windows — versions unspecified
- Apple Safari — versions unspecified
- Apple tvOS — versions unspecified
- Apple watchOS — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.apple.com/en-us/HT210785 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT210789 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT210790 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT210793 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT210794 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT210792 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT210795 (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-8844?
- CVE-2019-8844 is a high-severity vulnerability in Apple Icloud, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2020-10-27.
- How severe is CVE-2019-8844?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2019-8844 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.