Vulnerability Description
An issue was discovered in certain Apple products. iOS before 11.3 is affected. Safari before 11.1 is affected. iCloud before 7.4 on Windows is affected. iTunes before 12.7.4 on Windows is affected. tvOS before 11.3 is affected. watchOS before 4.3 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | < 11.1 |
| Apple | Iphone Os | < 11.3 |
| Apple | Tvos | < 11.3 |
| Apple | Watchos | < 4.3 |
| Apple | Icloud | < 7.4 |
| Microsoft | Windows | - |
| Apple | Itunes | < 12.7.4 |
Related Weaknesses (CWE)
References
- http://www.securitytracker.com/id/1040604Third Party AdvisoryVDB Entry
- https://github.com/mwrlabs/CVE-2018-4121ExploitThird Party Advisory
- https://security.gentoo.org/glsa/201808-04Third Party Advisory
- https://support.apple.com/HT208693Vendor Advisory
- https://support.apple.com/HT208694Vendor Advisory
- https://support.apple.com/HT208695Vendor Advisory
- https://support.apple.com/HT208696Vendor Advisory
- https://support.apple.com/HT208697Vendor Advisory
- https://support.apple.com/HT208698Vendor Advisory
- https://www.exploit-db.com/exploits/44427/ExploitThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040604Third Party AdvisoryVDB Entry
- https://github.com/mwrlabs/CVE-2018-4121ExploitThird Party Advisory
- https://security.gentoo.org/glsa/201808-04Third Party Advisory
- https://support.apple.com/HT208693Vendor Advisory
- https://support.apple.com/HT208694Vendor Advisory
FAQ
What is CVE-2018-4121?
CVE-2018-4121 is a vulnerability with a CVSS score of 8.8 (HIGH). An issue was discovered in certain Apple products. iOS before 11.3 is affected. Safari before 11.1 is affected. iCloud before 7.4 on Windows is affected. iTunes before 12.7.4 on Windows is affected. t...
How severe is CVE-2018-4121?
CVE-2018-4121 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-4121?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Safari, Apple Iphone Os, Apple Tvos, Apple Watchos, Apple Icloud.