Buffer overflow in Apple Icloud
CVE-2019-8558
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. 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: 0.075 (94.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.075 · newest: 0.075 · change: +0.001
Affected products
- Apple Icloud
- Apple Icloud For Windows — versions unspecified
- Apple iOS — versions unspecified
- 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/HT209599 (Vendor Advisory)
- support.apple.com/HT209601 (Vendor Advisory)
- support.apple.com/HT209603 (Vendor Advisory)
- support.apple.com/HT209604 (Vendor Advisory)
- support.apple.com/HT209605 (Vendor Advisory)
- support.apple.com/HT209602 (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-8558?
- CVE-2019-8558 is a high-severity vulnerability in Apple Icloud, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2019-12-18.
- How severe is CVE-2019-8558?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2019-8558 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.