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CVE-2018-4218

Date: June 8, 2018

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 or cause a denial of service (memory corruption and application crash) via a crafted web site that triggers an @generatorState use-after-free.

Severity Score

Related Resources (13)

https://bugs.chromium.org/p/project-zero/issues/detail?id=1553
https://support.apple.com/HT208850
https://support.apple.com/HT208851
https://security.gentoo.org/glsa/201808-04
https://usn.ubuntu.com/3687-1/
https://support.apple.com/HT208852
https://www.exploit-db.com/exploits/44861/
https://nvd.nist.gov/vuln/detail/CVE-2018-4218
https://support.apple.com/HT208848
https://support.apple.com/HT208853
http://www.securitytracker.com/id/1041029
https://support.apple.com/HT208854
https://www.mend.io/vulnerability-database/CVE-2018-4218

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3

Base Score:
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL

CVSS v2

Base Score:
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH
Additional information:

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