Vulnerability · Published Dec 8, 2020 · Assigned by apple
CVE-2020-9947
High 8.8
In plain English
A high-severity security flaw in iCloud for Windows from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.8%top 21.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A use after free issue was addressed with improved memory management. This issue is fixed in watchOS 7.0, iOS 14.0 and iPadOS 14.0, iTunes for Windows 12.10.9, iCloud for Windows 11.5, tvOS 14.0, Safari 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | webkit2gtk | 2.30.5-r0 | ALPINE-CVE-2020-9947 |
| Debian:12 | webkit2gtk | 2.30.1-1 | DEBIAN-CVE-2020-9947 |
| Debian:13 | webkit2gtk | 2.30.1-1 | DEBIAN-CVE-2020-9947 |
| Debian:14 | webkit2gtk | 2.30.1-1 | DEBIAN-CVE-2020-9947 |
| Debian:12 | wpewebkit | 2.30.0-1 | DEBIAN-CVE-2020-9947 |
| Debian:13 | wpewebkit | 2.30.0-1 | DEBIAN-CVE-2020-9947 |
| Debian:14 | wpewebkit | 2.30.0-1 | DEBIAN-CVE-2020-9947 |
| Ubuntu:22.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2020-9947 |
| Ubuntu:24.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2020-9947 |
| Ubuntu:22.04:LTS | wpewebkit | no fix listed | UBUNTU-CVE-2020-9947 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apple | tvOS | unspecified – before 14.0 |
| Apple | watchOS | unspecified – before 7.0 |
| Apple | Safari | unspecified – before 14.0 |
| Apple | iOS and iPadOS | unspecified – before 14.0 |
| Apple | iCloud for Windows | unspecified – before 11.5 |
| Apple | iTunes for Windows | unspecified – before 12.10 |
References
- https://support.apple.com/en-us/HT211843 x_refsource_MISC
- https://support.apple.com/en-us/HT211850 x_refsource_MISC
- https://support.apple.com/en-us/HT211844 x_refsource_MISC
- https://support.apple.com/en-us/HT211935 x_refsource_MISC
- https://support.apple.com/en-us/HT211952 x_refsource_MISC
- https://support.apple.com/en-us/HT211845 x_refsource_MISC
- [oss-security] 20210322 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0002 mailing-list, x_refsource_MLIST
- GLSA-202104-03 vendor-advisory, x_refsource_GENTOO