Actively exploited · Published Dec 18, 2019 · Assigned by apple
CVE-2019-8506
High 8.8 Exploited
In plain English
A high-severity type confusion in iCloud for Windows from Apple. Attackers are actively exploiting it in the wild (listed by CISA on May 4, 2022). The chance it is exploited in the next 30 days is estimated at 16.2% (higher than 97% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by May 25, 2022.
Official description
A type confusion issue was 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | gdk-pixbuf2 | 2.36.12-5.el8 | ALSA-2019:3553 |
| AlmaLinux:8 | gdk-pixbuf2-devel | 2.36.12-5.el8 | ALSA-2019:3553 |
| AlmaLinux:8 | gdk-pixbuf2-modules | 2.36.12-5.el8 | ALSA-2019:3553 |
| AlmaLinux:8 | gdk-pixbuf2-xlib | 2.36.12-5.el8 | ALSA-2019:3553 |
| AlmaLinux:8 | gdk-pixbuf2-xlib-devel | 2.36.12-5.el8 | ALSA-2019:3553 |
| AlmaLinux:8 | gnome-desktop3 | 3.32.2-1.el8 | ALSA-2019:3553 |
| AlmaLinux:8 | gnome-desktop3-devel | 3.32.2-1.el8 | ALSA-2019:3553 |
| AlmaLinux:8 | libpurple | 2.13.0-5.el8 | ALSA-2019:3553 |
| AlmaLinux:8 | libpurple-devel | 2.13.0-5.el8 | ALSA-2019:3553 |
| AlmaLinux:8 | pidgin | 2.13.0-5.el8 | ALSA-2019:3553 |
| AlmaLinux:8 | pidgin-devel | 2.13.0-5.el8 | ALSA-2019:3553 |
| Alpine:v3.20 | webkit2gtk | 2.24.1-r0 | ALPINE-CVE-2019-8506 |
| Debian:12 | webkit2gtk | 2.24.1-1 | DEBIAN-CVE-2019-8506 |
| Debian:13 | webkit2gtk | 2.24.1-1 | DEBIAN-CVE-2019-8506 |
| Debian:14 | webkit2gtk | 2.24.1-1 | DEBIAN-CVE-2019-8506 |
| Rocky Linux:8 | gdk-pixbuf2 | 0:2.36.12-5.el8 | RLSA-2019:3553 |
| Rocky Linux:8 | gnome-desktop3 | 0:3.32.2-1.el8 | RLSA-2019:3553 |
| Rocky Linux:8 | pango | 0:1.42.4-6.el8 | RLSA-2019:3553 |
| Rocky Linux:8 | pidgin | 0:2.13.0-5.el8 | RLSA-2019:3553 |
| Ubuntu:22.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2019-8506 |
| Ubuntu:24.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2019-8506 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apple | iOS | unspecified – before iOS 12.2 |
| Apple | tvOS | unspecified – before tvOS 12.2 |
| Apple | watchOS | unspecified – before watchOS 5.2 |
| Apple | Safari | unspecified – before Safari 12.1 |
| Apple | iTunes for Windows | unspecified – before iTunes 12.9.4 for Windows |
| Apple | iCloud for Windows | unspecified – before iCloud for Windows 7.11 |
Weakness: CWE-843 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- https://support.apple.com/HT209599 x_refsource_MISC
- https://support.apple.com/HT209601 x_refsource_MISC
- https://support.apple.com/HT209603 x_refsource_MISC
- https://support.apple.com/HT209604 x_refsource_MISC
- https://support.apple.com/HT209605 x_refsource_MISC
- https://support.apple.com/HT209602 x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-8506 government-resource