Buffer overflow in Apple Icloud
CVE-2020-9883
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8, iTunes 12.10.8 for Windows, iCloud for Windows 11.3, iCloud for Windows 7.20. Processing a maliciously crafted image may lead to arbitrary code execution.
Vulnerability class: Buffer Overflow
EPSS: 0.060 (92.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
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 Macos — versions unspecified, 11.0.1
- Apple Mac_os_x — versions 10.13.6, 10.14.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
- product-security@apple.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
- product-security@apple.com (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-9883?
- CVE-2020-9883 is a high-severity vulnerability in Apple Icloud, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2020-10-22.
- How severe is CVE-2020-9883?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-9883 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.