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CVE-2018-4222

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 via a crafted web site that leverages a getWasmBufferFromValue out-of-bounds read during WebAssembly compilation.

Severity Score

Related Resources (13)

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://bugs.chromium.org/p/project-zero/issues/detail?id=1545
https://support.apple.com/HT208848
https://support.apple.com/HT208853
http://www.securitytracker.com/id/1041029
https://support.apple.com/HT208854
https://nvd.nist.gov/vuln/detail/CVE-2018-4222
https://www.exploit-db.com/exploits/44859/
https://www.mend.io/vulnerability-database/CVE-2018-4222

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

CVSS v3.1

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

CVSS v2

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

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