Buffer overflow in Apple Icloud
CVE-2019-8820
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 13.2 and iPadOS 13.2, tvOS 13.2, watchOS 6.1, Safari 13.0.3, iTunes for Windows 12.10.2, iCloud for Windows 11.0, iCloud for Windows 7.15. 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: 0.095 (95.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.095 · newest: 0.095 · change: 0.000
Affected products
- Apple Icloud
- Apple Icloud For Windows — versions unspecified
- Apple Icloud For Windows (Legacy) — versions unspecified
- Apple iOS — versions unspecified
- Apple Ipados
- Apple Iphone OS
- Apple Itunes
- Apple Itunes For Windows — versions unspecified
- Apple Safari — versions unspecified
- Apple tvOS — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.apple.com/HT210724 (Vendor Advisory)
- support.apple.com/HT210727 (Vendor Advisory)
- support.apple.com/HT210721 (Vendor Advisory)
- support.apple.com/HT210726 (Vendor Advisory)
- support.apple.com/HT210723 (Vendor Advisory)
- support.apple.com/HT210728 (Vendor Advisory)
- support.apple.com/HT210725 (Vendor Advisory)
- security.gentoo.org/glsa/202003-22 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-8820?
- CVE-2019-8820 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-2019-8820?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2019-8820 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.