CVE-2018-4246: Incorrect Type Cast
First published: Tue May 29 2018(Updated: )
An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code via a crafted web site that leverages type confusion.
Credit: found by OSS-Fuzz product-security@apple.com product-security@apple.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple iTunes for Windows | <12.7.5 | 12.7.5 |
| Apple Safari | <11.1.1 | |
| Apple iPhone OS | <11.4 | |
| Apple tvOS | <11.4 | |
| Apple watchOS | <4.3.1 | |
| Apple iCloud | <7.5 | |
| Microsoft Windows | ||
| Apple iTunes | <12.7.5 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| All of | ||
| Apple iCloud | <7.5 | |
| Microsoft Windows | ||
| All of | ||
| Apple iTunes | <12.7.5 | |
| Microsoft Windows | ||
| debian/webkit2gtk | 2.44.2-1~deb11u1 2.44.3-1~deb11u1 2.44.2-1~deb12u1 2.44.3-1~deb12u1 2.44.4-1 2.46.0-2 |
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Reference Links
- https://support.apple.com/en-us/HT208852 (Advisory)
- https://support.apple.com/HT208848
- https://support.apple.com/HT208850
- https://support.apple.com/HT208851
- https://support.apple.com/HT208852
- https://support.apple.com/HT208853
- https://support.apple.com/HT208854
- http://www.securitytracker.com/id/1041029
- https://usn.ubuntu.com/3743-1/
- https://launchpad.net/bugs/cve/CVE-2018-4246
- https://webkitgtk.org/security/WSA-2018-0006.html
- https://security-tracker.debian.org/tracker/CVE-2018-4246
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4246
- https://nvd.nist.gov/vuln/detail/CVE-2018-4246
- https://ubuntu.com/security/CVE-2018-4246
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2018-4246?
CVE-2018-4246 is a type confusion issue in WebKit.
Which Apple products are affected by CVE-2018-4246?
iOS before 11.4, Safari before 11.1.1, iCloud before 7.5 on Windows, iTunes before 12.7.5 on Windows, tvOS before 11.4, and watchOS before 4.3.1 are affected.
What is the severity of CVE-2018-4246?
CVE-2018-4246 has a severity score of 8.8, which is considered high.
How can I fix CVE-2018-4246?
Apply the recommended updates or patches provided by Apple or your operating system vendor.
Where can I find more information about CVE-2018-4246?
You can find more information about CVE-2018-4246 at the following references: [1] [2]
- collector/apple-support
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/severity
- agent/weakness
- agent/author
- agent/description
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- agent/references
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/tags
- agent/event
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/usn-cve
- source/Ubuntu
- vendor/apple
- canonical/apple itunes for windows
- canonical/apple safari
- canonical/apple iphone os
- canonical/apple tvos
- canonical/apple watchos
- canonical/apple icloud
- vendor/microsoft
- canonical/microsoft windows
- canonical/apple itunes
- vendor/canonical
- canonical/canonical ubuntu linux
- version/canonical ubuntu linux/16.04
- version/canonical ubuntu linux/18.04
- package-manager/debian