Buffer overflow in Apple Icloud
CVE-2020-27912
An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12.11 for Windows. Processing a maliciously crafted image may lead to arbitrary code execution.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.018 (78.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Apple Icloud
- Apple iOS And Ipados — versions unspecified
- Apple Ipados
- Apple Iphone OS
- Apple Itunes
- Apple macOS — versions unspecified
- Apple tvOS — versions unspecified
- Apple watchOS — versions unspecified
Weakness classification (CWE)
References
- support.apple.com/en-us/HT211931 (Vendor Advisory)
- support.apple.com/en-us/HT211935 (Vendor Advisory)
- support.apple.com/en-us/HT211928 (Vendor Advisory)
- support.apple.com/en-us/HT211929 (Vendor Advisory)
- support.apple.com/en-us/HT211930 (Vendor Advisory)
- support.apple.com/en-us/HT211933 (Vendor Advisory)
- support.apple.com/kb/HT212011 (Vendor Advisory)
- seclists.org/fulldisclosure/2020/Dec/32 (mailing-list, Mailing List, Third Party Advisory)
- seclists.org/fulldisclosure/2020/Dec/26 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-27912?
- CVE-2020-27912 is a high-severity vulnerability in Apple Icloud, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2020-12-08.
- How severe is CVE-2020-27912?
- High severity. CVSS v3 base score is 7.8 out of 10.